28143465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14107}}^1$

素因数の和:14141

約数の個数: 32

約数和(自身を含む): 54174720

約数和(自身を除く): 26031255

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14107, 42321, 70535, 98749, 211605, 268033, 296247, 493745, 804099, 1340165, 1481235, 1876231, 4020495, 5628693, 9381155, 28143465]

約数ペア:

[(1, 28143465), (3, 9381155), (5, 5628693), (7, 4020495), (15, 1876231), (19, 1481235), (21, 1340165), (35, 804099), (57, 493745), (95, 296247), (105, 268033), (133, 211605), (285, 98749), (399, 70535), (665, 42321), (1995, 14107)]