1243165721

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{3049}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 1483288200

約数和(自身を除く): 240122479

約数列:

[1, 7, 49, 53, 157, 371, 1099, 2597, 3049, 7693, 8321, 21343, 58247, 149401, 161597, 407729, 478693, 1131179, 3350851, 7918253, 23455957, 25370729, 177595103, 1243165721]

約数ペア:

[(1, 1243165721), (7, 177595103), (49, 25370729), (53, 23455957), (157, 7918253), (371, 3350851), (1099, 1131179), (2597, 478693), (3049, 407729), (7693, 161597), (8321, 149401), (21343, 58247)]