15971985

素因数分解:

$3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 28967400

約数和(自身を除く): 12995415

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 339, 349, 405, 565, 1017, 1047, 1695, 1745, 3051, 3141, 5085, 5235, 9153, 9423, 15255, 15705, 28269, 39437, 45765, 47115, 118311, 141345, 197185, 354933, 591555, 1064799, 1774665, 3194397, 5323995, 15971985]

約数ペア:

[(1, 15971985), (3, 5323995), (5, 3194397), (9, 1774665), (15, 1064799), (27, 591555), (45, 354933), (81, 197185), (113, 141345), (135, 118311), (339, 47115), (349, 45765), (405, 39437), (565, 28269), (1017, 15705), (1047, 15255), (1695, 9423), (1745, 9153), (3051, 5235), (3141, 5085)]