30885825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 53446976

約数和(自身を除く): 22561151

約数列:

[1, 3, 5, 15, 25, 43, 61, 75, 129, 157, 183, 215, 305, 471, 645, 785, 915, 1075, 1525, 2355, 2623, 3225, 3925, 4575, 6751, 7869, 9577, 11775, 13115, 20253, 28731, 33755, 39345, 47885, 65575, 101265, 143655, 168775, 196725, 239425, 411811, 506325, 718275, 1235433, 2059055, 6177165, 10295275, 30885825]

約数ペア:

[(1, 30885825), (3, 10295275), (5, 6177165), (15, 2059055), (25, 1235433), (43, 718275), (61, 506325), (75, 411811), (129, 239425), (157, 196725), (183, 168775), (215, 143655), (305, 101265), (471, 65575), (645, 47885), (785, 39345), (915, 33755), (1075, 28731), (1525, 20253), (2355, 13115), (2623, 11775), (3225, 9577), (3925, 7869), (4575, 6751)]