51159225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 91994112

約数和(自身を除く): 40834887

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 137, 195, 325, 383, 411, 685, 975, 1149, 1781, 1915, 2055, 3425, 4979, 5343, 5745, 8905, 9575, 10275, 14937, 24895, 26715, 28725, 44525, 52471, 74685, 124475, 133575, 157413, 262355, 373425, 682123, 787065, 1311775, 2046369, 3410615, 3935325, 10231845, 17053075, 51159225]

約数ペア:

[(1, 51159225), (3, 17053075), (5, 10231845), (13, 3935325), (15, 3410615), (25, 2046369), (39, 1311775), (65, 787065), (75, 682123), (137, 373425), (195, 262355), (325, 157413), (383, 133575), (411, 124475), (685, 74685), (975, 52471), (1149, 44525), (1781, 28725), (1915, 26715), (2055, 24895), (3425, 14937), (4979, 10275), (5343, 9575), (5745, 8905)]