74265645

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 121616640

約数和(自身を除く): 47350995

約数列:

[1, 3, 5, 15, 71, 137, 213, 355, 411, 509, 685, 1065, 1527, 2055, 2545, 7635, 9727, 29181, 36139, 48635, 69733, 108417, 145905, 180695, 209199, 348665, 542085, 1045995, 4951043, 14853129, 24755215, 74265645]

約数ペア:

[(1, 74265645), (3, 24755215), (5, 14853129), (15, 4951043), (71, 1045995), (137, 542085), (213, 348665), (355, 209199), (411, 180695), (509, 145905), (685, 108417), (1065, 69733), (1527, 48635), (2055, 36139), (2545, 29181), (7635, 9727)]