90355845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 154486080

約数和(自身を除く): 64130235

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 193, 295, 345, 529, 579, 885, 965, 1357, 1587, 2645, 2895, 4071, 4439, 6785, 7935, 11387, 13317, 20355, 22195, 31211, 34161, 56935, 66585, 93633, 102097, 156055, 170805, 261901, 306291, 468165, 510485, 785703, 1309505, 1531455, 3928515, 6023723, 18071169, 30118615, 90355845]

約数ペア:

[(1, 90355845), (3, 30118615), (5, 18071169), (15, 6023723), (23, 3928515), (59, 1531455), (69, 1309505), (115, 785703), (177, 510485), (193, 468165), (295, 306291), (345, 261901), (529, 170805), (579, 156055), (885, 102097), (965, 93633), (1357, 66585), (1587, 56935), (2645, 34161), (2895, 31211), (4071, 22195), (4439, 20355), (6785, 13317), (7935, 11387)]