4020225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 7322448

約数和(自身を除く): 3302223

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 443, 605, 825, 1329, 1815, 2215, 3025, 4873, 6645, 9075, 11075, 14619, 24365, 33225, 53603, 73095, 121825, 160809, 268015, 365475, 804045, 1340075, 4020225]

約数ペア:

[(1, 4020225), (3, 1340075), (5, 804045), (11, 365475), (15, 268015), (25, 160809), (33, 121825), (55, 73095), (75, 53603), (121, 33225), (165, 24365), (275, 14619), (363, 11075), (443, 9075), (605, 6645), (825, 4873), (1329, 3025), (1815, 2215)]