13680315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 26788320

約数和(自身を除く): 13108005

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 953, 957, 1305, 1595, 2859, 2871, 4765, 4785, 8577, 10483, 14295, 14355, 27637, 31449, 42885, 52415, 82911, 94347, 138185, 157245, 248733, 304007, 414555, 471735, 912021, 1243665, 1520035, 2736063, 4560105, 13680315]

約数ペア:

[(1, 13680315), (3, 4560105), (5, 2736063), (9, 1520035), (11, 1243665), (15, 912021), (29, 471735), (33, 414555), (45, 304007), (55, 248733), (87, 157245), (99, 138185), (145, 94347), (165, 82911), (261, 52415), (319, 42885), (435, 31449), (495, 27637), (953, 14355), (957, 14295), (1305, 10483), (1595, 8577), (2859, 4785), (2871, 4765)]