308538009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 498860544

約数和(自身を除く): 190322535

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 257, 279, 331, 403, 771, 993, 1209, 2313, 2979, 3341, 3627, 4303, 7967, 10023, 10261, 12909, 23901, 30069, 30783, 38727, 71703, 85067, 92349, 103571, 133393, 255201, 310713, 400179, 765603, 932139, 1105871, 1200537, 2637077, 3317613, 7911231, 9952839, 23733693, 34282001, 102846003, 308538009]

約数ペア:

[(1, 308538009), (3, 102846003), (9, 34282001), (13, 23733693), (31, 9952839), (39, 7911231), (93, 3317613), (117, 2637077), (257, 1200537), (279, 1105871), (331, 932139), (403, 765603), (771, 400179), (993, 310713), (1209, 255201), (2313, 133393), (2979, 103571), (3341, 92349), (3627, 85067), (4303, 71703), (7967, 38727), (10023, 30783), (10261, 30069), (12909, 23901)]