13155885

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 12648915

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 95, 115, 135, 171, 207, 223, 285, 345, 437, 513, 621, 669, 855, 1035, 1115, 1311, 2007, 2185, 2565, 3105, 3345, 3933, 4237, 5129, 6021, 6555, 10035, 11799, 12711, 15387, 19665, 21185, 25645, 30105, 38133, 46161, 58995, 63555, 76935, 97451, 114399, 138483, 190665, 230805, 292353, 487255, 571995, 692415, 877059, 1461765, 2631177, 4385295, 13155885]

約数ペア:

[(1, 13155885), (3, 4385295), (5, 2631177), (9, 1461765), (15, 877059), (19, 692415), (23, 571995), (27, 487255), (45, 292353), (57, 230805), (69, 190665), (95, 138483), (115, 114399), (135, 97451), (171, 76935), (207, 63555), (223, 58995), (285, 46161), (345, 38133), (437, 30105), (513, 25645), (621, 21185), (669, 19665), (855, 15387), (1035, 12711), (1115, 11799), (1311, 10035), (2007, 6555), (2185, 6021), (2565, 5129), (3105, 4237), (3345, 3933)]