2813015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 3589056

約数和(自身を除く): 776041

約数列:

[1, 5, 23, 61, 115, 305, 401, 1403, 2005, 7015, 9223, 24461, 46115, 122305, 562603, 2813015]

約数ペア:

[(1, 2813015), (5, 562603), (23, 122305), (61, 46115), (115, 24461), (305, 9223), (401, 7015), (1403, 2005)]