28172925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11383}}^1$

素因数の和:11410

約数の個数: 36

約数和(自身を含む): 55053024

約数和(自身を除く): 26880099

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 11383, 34149, 56915, 102447, 125213, 170745, 284575, 375639, 512235, 626065, 853725, 1126917, 1878195, 2561175, 3130325, 5634585, 9390975, 28172925]

約数ペア:

[(1, 28172925), (3, 9390975), (5, 5634585), (9, 3130325), (11, 2561175), (15, 1878195), (25, 1126917), (33, 853725), (45, 626065), (55, 512235), (75, 375639), (99, 284575), (165, 170745), (225, 125213), (275, 102447), (495, 56915), (825, 34149), (2475, 11383)]