25818705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 49997376

約数和(自身を除く): 24178671

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1213, 1419, 1935, 2365, 3639, 4257, 6065, 7095, 10917, 13343, 18195, 21285, 40029, 52159, 54585, 66715, 120087, 156477, 200145, 260795, 469431, 573749, 600435, 782385, 1721247, 2347155, 2868745, 5163741, 8606235, 25818705]

約数ペア:

[(1, 25818705), (3, 8606235), (5, 5163741), (9, 2868745), (11, 2347155), (15, 1721247), (33, 782385), (43, 600435), (45, 573749), (55, 469431), (99, 260795), (129, 200145), (165, 156477), (215, 120087), (387, 66715), (473, 54585), (495, 52159), (645, 40029), (1213, 21285), (1419, 18195), (1935, 13343), (2365, 10917), (3639, 7095), (4257, 6065)]