40921875

素因数分解:

$3^3\times 5^6\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 56

約数和(自身を含む): 76561520

約数和(自身を除く): 35639645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 97, 125, 135, 225, 291, 375, 485, 625, 675, 873, 1125, 1455, 1875, 2425, 2619, 3125, 3375, 4365, 5625, 7275, 9375, 12125, 13095, 15625, 16875, 21825, 28125, 36375, 46875, 60625, 65475, 84375, 109125, 140625, 181875, 303125, 327375, 421875, 545625, 909375, 1515625, 1636875, 2728125, 4546875, 8184375, 13640625, 40921875]

約数ペア:

[(1, 40921875), (3, 13640625), (5, 8184375), (9, 4546875), (15, 2728125), (25, 1636875), (27, 1515625), (45, 909375), (75, 545625), (97, 421875), (125, 327375), (135, 303125), (225, 181875), (291, 140625), (375, 109125), (485, 84375), (625, 65475), (675, 60625), (873, 46875), (1125, 36375), (1455, 28125), (1875, 21825), (2425, 16875), (2619, 15625), (3125, 13095), (3375, 12125), (4365, 9375), (5625, 7275)]