15690856821

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{4441}}^1$

素因数の和:4997

約数の個数: 32

約数和(自身を含む): 21811996800

約数和(自身を除く): 6121139979

約数列:

[1, 3, 43, 61, 129, 183, 449, 1347, 2623, 4441, 7869, 13323, 19307, 27389, 57921, 82167, 190963, 270901, 572889, 812703, 1177727, 1994009, 3533181, 5982027, 11648743, 34946229, 85742387, 121634549, 257227161, 364903647, 5230285607, 15690856821]

約数ペア:

[(1, 15690856821), (3, 5230285607), (43, 364903647), (61, 257227161), (129, 121634549), (183, 85742387), (449, 34946229), (1347, 11648743), (2623, 5982027), (4441, 3533181), (7869, 1994009), (13323, 1177727), (19307, 812703), (27389, 572889), (57921, 270901), (82167, 190963)]