51980175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1367}}^1$

素因数の和:1409

約数の個数: 54

約数和(自身を含む): 100888632

約数和(自身を除く): 48908457

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 169, 195, 225, 325, 507, 585, 845, 975, 1367, 1521, 2535, 2925, 4101, 4225, 6835, 7605, 12303, 12675, 17771, 20505, 34175, 38025, 53313, 61515, 88855, 102525, 159939, 231023, 266565, 307575, 444275, 693069, 799695, 1155115, 1332825, 2079207, 3465345, 3998475, 5775575, 10396035, 17326725, 51980175]

約数ペア:

[(1, 51980175), (3, 17326725), (5, 10396035), (9, 5775575), (13, 3998475), (15, 3465345), (25, 2079207), (39, 1332825), (45, 1155115), (65, 799695), (75, 693069), (117, 444275), (169, 307575), (195, 266565), (225, 231023), (325, 159939), (507, 102525), (585, 88855), (845, 61515), (975, 53313), (1367, 38025), (1521, 34175), (2535, 20505), (2925, 17771), (4101, 12675), (4225, 12303), (6835, 7605)]