31185378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 87920640

約数和(自身を除く): 56735262

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 27, 34, 42, 46, 51, 54, 63, 69, 102, 119, 126, 138, 153, 161, 189, 207, 211, 238, 306, 322, 357, 378, 391, 414, 422, 459, 483, 621, 633, 714, 782, 918, 966, 1071, 1173, 1242, 1266, 1449, 1477, 1899, 2142, 2346, 2737, 2898, 2954, 3213, 3519, 3587, 3798, 4347, 4431, 4853, 5474, 5697, 6426, 7038, 7174, 8211, 8694, 8862, 9706, 10557, 10761, 11394, 13293, 14559, 16422, 21114, 21522, 24633, 25109, 26586, 29118, 32283, 33971, 39879, 43677, 49266, 50218, 64566, 67942, 73899, 75327, 79758, 82501, 87354, 96849, 101913, 131031, 147798, 150654, 165002, 193698, 203826, 225981, 247503, 262062, 305739, 451962, 495006, 577507, 611478, 677943, 742509, 917217, 1155014, 1355886, 1485018, 1732521, 1834434, 2227527, 3465042, 4455054, 5197563, 10395126, 15592689, 31185378]

約数ペア:

[(1, 31185378), (2, 15592689), (3, 10395126), (6, 5197563), (7, 4455054), (9, 3465042), (14, 2227527), (17, 1834434), (18, 1732521), (21, 1485018), (23, 1355886), (27, 1155014), (34, 917217), (42, 742509), (46, 677943), (51, 611478), (54, 577507), (63, 495006), (69, 451962), (102, 305739), (119, 262062), (126, 247503), (138, 225981), (153, 203826), (161, 193698), (189, 165002), (207, 150654), (211, 147798), (238, 131031), (306, 101913), (322, 96849), (357, 87354), (378, 82501), (391, 79758), (414, 75327), (422, 73899), (459, 67942), (483, 64566), (621, 50218), (633, 49266), (714, 43677), (782, 39879), (918, 33971), (966, 32283), (1071, 29118), (1173, 26586), (1242, 25109), (1266, 24633), (1449, 21522), (1477, 21114), (1899, 16422), (2142, 14559), (2346, 13293), (2737, 11394), (2898, 10761), (2954, 10557), (3213, 9706), (3519, 8862), (3587, 8694), (3798, 8211), (4347, 7174), (4431, 7038), (4853, 6426), (5474, 5697)]