81323385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 157925376

約数和(自身を除く): 76601991

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 55, 65, 93, 143, 155, 165, 195, 341, 403, 429, 465, 715, 1023, 1209, 1223, 1705, 2015, 2145, 3669, 4433, 5115, 6045, 6115, 13299, 13453, 15899, 18345, 22165, 37913, 40359, 47697, 66495, 67265, 79495, 113739, 174889, 189565, 201795, 238485, 417043, 492869, 524667, 568695, 874445, 1251129, 1478607, 2085215, 2464345, 2623335, 5421559, 6255645, 7393035, 16264677, 27107795, 81323385]

約数ペア:

[(1, 81323385), (3, 27107795), (5, 16264677), (11, 7393035), (13, 6255645), (15, 5421559), (31, 2623335), (33, 2464345), (39, 2085215), (55, 1478607), (65, 1251129), (93, 874445), (143, 568695), (155, 524667), (165, 492869), (195, 417043), (341, 238485), (403, 201795), (429, 189565), (465, 174889), (715, 113739), (1023, 79495), (1209, 67265), (1223, 66495), (1705, 47697), (2015, 40359), (2145, 37913), (3669, 22165), (4433, 18345), (5115, 15899), (6045, 13453), (6115, 13299)]