81826875

素因数分解:

$3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:415

約数の個数: 80

約数和(自身を含む): 163572640

約数和(自身を除く): 81745765

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 373, 375, 585, 625, 675, 975, 1119, 1125, 1625, 1755, 1865, 1875, 2925, 3357, 3375, 4849, 4875, 5595, 5625, 8125, 8775, 9325, 10071, 14547, 14625, 16785, 16875, 24245, 24375, 27975, 43641, 43875, 46625, 50355, 72735, 73125, 83925, 121225, 130923, 139875, 218205, 219375, 233125, 251775, 363675, 419625, 606125, 654615, 699375, 1091025, 1258875, 1818375, 2098125, 3030625, 3273075, 5455125, 6294375, 9091875, 16365375, 27275625, 81826875]

約数ペア:

[(1, 81826875), (3, 27275625), (5, 16365375), (9, 9091875), (13, 6294375), (15, 5455125), (25, 3273075), (27, 3030625), (39, 2098125), (45, 1818375), (65, 1258875), (75, 1091025), (117, 699375), (125, 654615), (135, 606125), (195, 419625), (225, 363675), (325, 251775), (351, 233125), (373, 219375), (375, 218205), (585, 139875), (625, 130923), (675, 121225), (975, 83925), (1119, 73125), (1125, 72735), (1625, 50355), (1755, 46625), (1865, 43875), (1875, 43641), (2925, 27975), (3357, 24375), (3375, 24245), (4849, 16875), (4875, 16785), (5595, 14625), (5625, 14547), (8125, 10071), (8775, 9325)]