28876485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 25405755

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 61, 95, 151, 165, 183, 209, 285, 305, 453, 627, 671, 755, 915, 1045, 1159, 1661, 2013, 2265, 2869, 3135, 3355, 3477, 4983, 5795, 8305, 8607, 9211, 10065, 12749, 14345, 17385, 24915, 27633, 31559, 38247, 43035, 46055, 63745, 94677, 101321, 138165, 157795, 175009, 191235, 303963, 473385, 506605, 525027, 875045, 1519815, 1925099, 2625135, 5775297, 9625495, 28876485]

約数ペア:

[(1, 28876485), (3, 9625495), (5, 5775297), (11, 2625135), (15, 1925099), (19, 1519815), (33, 875045), (55, 525027), (57, 506605), (61, 473385), (95, 303963), (151, 191235), (165, 175009), (183, 157795), (209, 138165), (285, 101321), (305, 94677), (453, 63745), (627, 46055), (671, 43035), (755, 38247), (915, 31559), (1045, 27633), (1159, 24915), (1661, 17385), (2013, 14345), (2265, 12749), (2869, 10065), (3135, 9211), (3355, 8607), (3477, 8305), (4983, 5795)]