28862775

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3467}}^1$

素因数の和:3520

約数の個数: 36

約数和(自身を含む): 53108952

約数和(自身を除く): 24246177

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 3467, 8325, 10401, 17335, 31203, 52005, 86675, 128279, 156015, 260025, 384837, 641395, 780075, 1154511, 1924185, 3206975, 5772555, 9620925, 28862775]

約数ペア:

[(1, 28862775), (3, 9620925), (5, 5772555), (9, 3206975), (15, 1924185), (25, 1154511), (37, 780075), (45, 641395), (75, 384837), (111, 260025), (185, 156015), (225, 128279), (333, 86675), (555, 52005), (925, 31203), (1665, 17335), (2775, 10401), (3467, 8325)]