561617145

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15581}}^1$

素因数の和:15687

約数の個数: 40

約数和(自身を含む): 1018127880

約数和(自身を除く): 456510735

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 801, 1335, 2403, 4005, 7209, 12015, 15581, 36045, 46743, 77905, 140229, 233715, 420687, 701145, 1262061, 1386709, 2103435, 4160127, 6310305, 6933545, 12480381, 20800635, 37441143, 62401905, 112323429, 187205715, 561617145]

約数ペア:

[(1, 561617145), (3, 187205715), (5, 112323429), (9, 62401905), (15, 37441143), (27, 20800635), (45, 12480381), (81, 6933545), (89, 6310305), (135, 4160127), (267, 2103435), (405, 1386709), (445, 1262061), (801, 701145), (1335, 420687), (2403, 233715), (4005, 140229), (7209, 77905), (12015, 46743), (15581, 36045)]