291240306

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 780595200

約数和(自身を除く): 489354894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 139, 161, 189, 207, 241, 278, 322, 378, 414, 417, 482, 483, 621, 723, 834, 966, 973, 1242, 1251, 1446, 1449, 1687, 1946, 2169, 2502, 2898, 2919, 3197, 3374, 3753, 4338, 4347, 5061, 5543, 5838, 6394, 6507, 7506, 8694, 8757, 9591, 10122, 11086, 13014, 15183, 16629, 17514, 19182, 22379, 26271, 28773, 30366, 33258, 33499, 38801, 44758, 45549, 49887, 52542, 57546, 66998, 67137, 77602, 86319, 91098, 99774, 100497, 116403, 134274, 149661, 172638, 200994, 201411, 232806, 234493, 299322, 301491, 349209, 402822, 468986, 602982, 604233, 698418, 703479, 770477, 904473, 1047627, 1208466, 1406958, 1540954, 1808946, 2095254, 2110437, 2311431, 4220874, 4622862, 5393339, 6331311, 6934293, 10786678, 12662622, 13868586, 16180017, 20802879, 32360034, 41605758, 48540051, 97080102, 145620153, 291240306]

約数ペア:

[(1, 291240306), (2, 145620153), (3, 97080102), (6, 48540051), (7, 41605758), (9, 32360034), (14, 20802879), (18, 16180017), (21, 13868586), (23, 12662622), (27, 10786678), (42, 6934293), (46, 6331311), (54, 5393339), (63, 4622862), (69, 4220874), (126, 2311431), (138, 2110437), (139, 2095254), (161, 1808946), (189, 1540954), (207, 1406958), (241, 1208466), (278, 1047627), (322, 904473), (378, 770477), (414, 703479), (417, 698418), (482, 604233), (483, 602982), (621, 468986), (723, 402822), (834, 349209), (966, 301491), (973, 299322), (1242, 234493), (1251, 232806), (1446, 201411), (1449, 200994), (1687, 172638), (1946, 149661), (2169, 134274), (2502, 116403), (2898, 100497), (2919, 99774), (3197, 91098), (3374, 86319), (3753, 77602), (4338, 67137), (4347, 66998), (5061, 57546), (5543, 52542), (5838, 49887), (6394, 45549), (6507, 44758), (7506, 38801), (8694, 33499), (8757, 33258), (9591, 30366), (10122, 28773), (11086, 26271), (13014, 22379), (15183, 19182), (16629, 17514)]