78565875

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 137479680

約数和(自身を除く): 58913805

約数列:

[1, 3, 5, 15, 25, 53, 59, 67, 75, 125, 159, 177, 201, 265, 295, 335, 375, 795, 885, 1005, 1325, 1475, 1675, 3127, 3551, 3953, 3975, 4425, 5025, 6625, 7375, 8375, 9381, 10653, 11859, 15635, 17755, 19765, 19875, 22125, 25125, 46905, 53265, 59295, 78175, 88775, 98825, 209509, 234525, 266325, 296475, 390875, 443875, 494125, 628527, 1047545, 1172625, 1331625, 1482375, 3142635, 5237725, 15713175, 26188625, 78565875]

約数ペア:

[(1, 78565875), (3, 26188625), (5, 15713175), (15, 5237725), (25, 3142635), (53, 1482375), (59, 1331625), (67, 1172625), (75, 1047545), (125, 628527), (159, 494125), (177, 443875), (201, 390875), (265, 296475), (295, 266325), (335, 234525), (375, 209509), (795, 98825), (885, 88775), (1005, 78175), (1325, 59295), (1475, 53265), (1675, 46905), (3127, 25125), (3551, 22125), (3953, 19875), (3975, 19765), (4425, 17755), (5025, 15635), (6625, 11859), (7375, 10653), (8375, 9381)]