218862945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 461387520

約数和(自身を除く): 242524575

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 241, 279, 315, 465, 651, 723, 837, 945, 961, 1085, 1205, 1395, 1687, 1953, 2169, 2883, 3255, 3615, 4185, 4805, 5061, 5859, 6507, 6727, 7471, 8435, 8649, 9765, 10845, 14415, 15183, 20181, 22413, 25305, 25947, 29295, 32535, 33635, 37355, 43245, 45549, 52297, 60543, 67239, 75915, 100905, 112065, 129735, 156891, 181629, 201717, 227745, 231601, 261485, 302715, 336195, 470673, 694803, 784455, 908145, 1008585, 1158005, 1412019, 1621207, 2084409, 2353365, 3474015, 4863621, 6253227, 7060095, 8106035, 10422045, 14590863, 24318105, 31266135, 43772589, 72954315, 218862945]

約数ペア:

[(1, 218862945), (3, 72954315), (5, 43772589), (7, 31266135), (9, 24318105), (15, 14590863), (21, 10422045), (27, 8106035), (31, 7060095), (35, 6253227), (45, 4863621), (63, 3474015), (93, 2353365), (105, 2084409), (135, 1621207), (155, 1412019), (189, 1158005), (217, 1008585), (241, 908145), (279, 784455), (315, 694803), (465, 470673), (651, 336195), (723, 302715), (837, 261485), (945, 231601), (961, 227745), (1085, 201717), (1205, 181629), (1395, 156891), (1687, 129735), (1953, 112065), (2169, 100905), (2883, 75915), (3255, 67239), (3615, 60543), (4185, 52297), (4805, 45549), (5061, 43245), (5859, 37355), (6507, 33635), (6727, 32535), (7471, 29295), (8435, 25947), (8649, 25305), (9765, 22413), (10845, 20181), (14415, 15183)]