87977175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 172096128

約数和(自身を除く): 84118953

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 169, 195, 275, 325, 429, 507, 631, 715, 825, 845, 975, 1859, 1893, 2145, 2535, 3155, 3575, 4225, 5577, 6941, 8203, 9295, 9465, 10725, 12675, 15775, 20823, 24609, 27885, 34705, 41015, 46475, 47325, 90233, 104115, 106639, 123045, 139425, 173525, 205075, 270699, 319917, 451165, 520575, 533195, 615225, 1173029, 1353495, 1599585, 2255825, 2665975, 3519087, 5865145, 6767475, 7997925, 17595435, 29325725, 87977175]

約数ペア:

[(1, 87977175), (3, 29325725), (5, 17595435), (11, 7997925), (13, 6767475), (15, 5865145), (25, 3519087), (33, 2665975), (39, 2255825), (55, 1599585), (65, 1353495), (75, 1173029), (143, 615225), (165, 533195), (169, 520575), (195, 451165), (275, 319917), (325, 270699), (429, 205075), (507, 173525), (631, 139425), (715, 123045), (825, 106639), (845, 104115), (975, 90233), (1859, 47325), (1893, 46475), (2145, 41015), (2535, 34705), (3155, 27885), (3575, 24609), (4225, 20823), (5577, 15775), (6941, 12675), (8203, 10725), (9295, 9465)]