2840913915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{203431}}^1$

素因数の和:203472

約数の個数: 48

約数和(自身を含む): 5565899520

約数和(自身を除く): 2724985605

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 203431, 610293, 1017155, 1424017, 3051465, 3865189, 4272051, 7120085, 9968119, 11595567, 19325945, 21360255, 27056323, 29904357, 49840595, 57977835, 81168969, 135281615, 149521785, 189394261, 405844845, 568182783, 946971305, 2840913915]

約数ペア:

[(1, 2840913915), (3, 946971305), (5, 568182783), (7, 405844845), (15, 189394261), (19, 149521785), (21, 135281615), (35, 81168969), (49, 57977835), (57, 49840595), (95, 29904357), (105, 27056323), (133, 21360255), (147, 19325945), (245, 11595567), (285, 9968119), (399, 7120085), (665, 4272051), (735, 3865189), (931, 3051465), (1995, 1424017), (2793, 1017155), (4655, 610293), (13965, 203431)]