47975475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 84458880

約数和(自身を除く): 36483405

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 131, 257, 285, 393, 475, 655, 771, 1285, 1425, 1965, 2489, 3275, 3855, 4883, 6425, 7467, 9825, 12445, 14649, 19275, 24415, 33667, 37335, 62225, 73245, 101001, 122075, 168335, 186675, 366225, 505005, 639673, 841675, 1919019, 2525025, 3198365, 9595095, 15991825, 47975475]

約数ペア:

[(1, 47975475), (3, 15991825), (5, 9595095), (15, 3198365), (19, 2525025), (25, 1919019), (57, 841675), (75, 639673), (95, 505005), (131, 366225), (257, 186675), (285, 168335), (393, 122075), (475, 101001), (655, 73245), (771, 62225), (1285, 37335), (1425, 33667), (1965, 24415), (2489, 19275), (3275, 14649), (3855, 12445), (4883, 9825), (6425, 7467)]