991786875

素因数分解:

$3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 1732245504

約数和(自身を除く): 740458629

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 113, 125, 151, 155, 339, 375, 453, 465, 565, 625, 755, 775, 1695, 1875, 2265, 2325, 2825, 3503, 3775, 3875, 4681, 8475, 10509, 11325, 11625, 14043, 14125, 17063, 17515, 18875, 19375, 23405, 42375, 51189, 52545, 56625, 58125, 70215, 70625, 85315, 87575, 94375, 117025, 211875, 255945, 262725, 283125, 351075, 426575, 437875, 528953, 585125, 1279725, 1313625, 1586859, 1755375, 2132875, 2189375, 2644765, 2925625, 6398625, 6568125, 7934295, 8776875, 10664375, 13223825, 31993125, 39671475, 66119125, 198357375, 330595625, 991786875]

約数ペア:

[(1, 991786875), (3, 330595625), (5, 198357375), (15, 66119125), (25, 39671475), (31, 31993125), (75, 13223825), (93, 10664375), (113, 8776875), (125, 7934295), (151, 6568125), (155, 6398625), (339, 2925625), (375, 2644765), (453, 2189375), (465, 2132875), (565, 1755375), (625, 1586859), (755, 1313625), (775, 1279725), (1695, 585125), (1875, 528953), (2265, 437875), (2325, 426575), (2825, 351075), (3503, 283125), (3775, 262725), (3875, 255945), (4681, 211875), (8475, 117025), (10509, 94375), (11325, 87575), (11625, 85315), (14043, 70625), (14125, 70215), (17063, 58125), (17515, 56625), (18875, 52545), (19375, 51189), (23405, 42375)]