15740985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 27457920

約数和(自身を除く): 11716935

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 907, 1157, 1335, 2721, 3471, 4535, 5785, 11791, 13605, 17355, 35373, 58955, 80723, 176865, 242169, 403615, 1049399, 1210845, 3148197, 5246995, 15740985]

約数ペア:

[(1, 15740985), (3, 5246995), (5, 3148197), (13, 1210845), (15, 1049399), (39, 403615), (65, 242169), (89, 176865), (195, 80723), (267, 58955), (445, 35373), (907, 17355), (1157, 13605), (1335, 11791), (2721, 5785), (3471, 4535)]