87891975

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12601}}^1$

素因数の和:12648

約数の個数: 36

約数和(自身を含む): 162515392

約数和(自身を除く): 74623417

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975, 12601, 37803, 63005, 113409, 189015, 315025, 390631, 567045, 945075, 1171893, 1953155, 2835225, 3515679, 5859465, 9765775, 17578395, 29297325, 87891975]

約数ペア:

[(1, 87891975), (3, 29297325), (5, 17578395), (9, 9765775), (15, 5859465), (25, 3515679), (31, 2835225), (45, 1953155), (75, 1171893), (93, 945075), (155, 567045), (225, 390631), (279, 315025), (465, 189015), (775, 113409), (1395, 63005), (2325, 37803), (6975, 12601)]