2154825

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 3947788

約数和(自身を除く): 1792963

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 157, 183, 225, 305, 471, 549, 785, 915, 1413, 1525, 2355, 2745, 3925, 4575, 7065, 9577, 11775, 13725, 28731, 35325, 47885, 86193, 143655, 239425, 430965, 718275, 2154825]

約数ペア:

[(1, 2154825), (3, 718275), (5, 430965), (9, 239425), (15, 143655), (25, 86193), (45, 47885), (61, 35325), (75, 28731), (157, 13725), (183, 11775), (225, 9577), (305, 7065), (471, 4575), (549, 3925), (785, 2745), (915, 2355), (1413, 1525)]