31397865

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 52617600

約数和(自身を除く): 21219735

約数列:

[1, 3, 5, 15, 29, 87, 89, 145, 267, 435, 445, 811, 1335, 2433, 2581, 4055, 7743, 12165, 12905, 23519, 38715, 70557, 72179, 117595, 216537, 352785, 360895, 1082685, 2093191, 6279573, 10465955, 31397865]

約数ペア:

[(1, 31397865), (3, 10465955), (5, 6279573), (15, 2093191), (29, 1082685), (87, 360895), (89, 352785), (145, 216537), (267, 117595), (435, 72179), (445, 70557), (811, 38715), (1335, 23519), (2433, 12905), (2581, 12165), (4055, 7743)]