18304875

素因数分解:

$3^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 33729696

約数和(自身を除く): 15424821

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 125, 159, 225, 265, 307, 375, 477, 795, 921, 1125, 1325, 1535, 2385, 2763, 3975, 4605, 6625, 7675, 11925, 13815, 16271, 19875, 23025, 38375, 48813, 59625, 69075, 81355, 115125, 146439, 244065, 345375, 406775, 732195, 1220325, 2033875, 3660975, 6101625, 18304875]

約数ペア:

[(1, 18304875), (3, 6101625), (5, 3660975), (9, 2033875), (15, 1220325), (25, 732195), (45, 406775), (53, 345375), (75, 244065), (125, 146439), (159, 115125), (225, 81355), (265, 69075), (307, 59625), (375, 48813), (477, 38375), (795, 23025), (921, 19875), (1125, 16271), (1325, 13815), (1535, 11925), (2385, 7675), (2763, 6625), (3975, 4605)]