28588725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11551}}^1$

素因数の和:11578

約数の個数: 36

約数和(自身を含む): 55865472

約数和(自身を除く): 27276747

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 11551, 34653, 57755, 103959, 127061, 173265, 288775, 381183, 519795, 635305, 866325, 1143549, 1905915, 2598975, 3176525, 5717745, 9529575, 28588725]

約数ペア:

[(1, 28588725), (3, 9529575), (5, 5717745), (9, 3176525), (11, 2598975), (15, 1905915), (25, 1143549), (33, 866325), (45, 635305), (55, 519795), (75, 381183), (99, 288775), (165, 173265), (225, 127061), (275, 103959), (495, 57755), (825, 34653), (2475, 11551)]