51107375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 73032960

約数和(自身を除く): 21925585

約数列:

[1, 5, 11, 25, 31, 55, 109, 121, 125, 155, 275, 341, 545, 605, 775, 1199, 1375, 1705, 2725, 3025, 3379, 3751, 3875, 5995, 8525, 13189, 13625, 15125, 16895, 18755, 29975, 37169, 42625, 65945, 84475, 93775, 149875, 185845, 329725, 408859, 422375, 468875, 929225, 1648625, 2044295, 4646125, 10221475, 51107375]

約数ペア:

[(1, 51107375), (5, 10221475), (11, 4646125), (25, 2044295), (31, 1648625), (55, 929225), (109, 468875), (121, 422375), (125, 408859), (155, 329725), (275, 185845), (341, 149875), (545, 93775), (605, 84475), (775, 65945), (1199, 42625), (1375, 37169), (1705, 29975), (2725, 18755), (3025, 16895), (3379, 15125), (3751, 13625), (3875, 13189), (5995, 8525)]