11820525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 21141504

約数和(自身を除く): 9320979

約数列:

[1, 3, 5, 15, 17, 25, 51, 73, 75, 85, 127, 219, 255, 365, 381, 425, 635, 1095, 1241, 1275, 1825, 1905, 2159, 3175, 3723, 5475, 6205, 6477, 9271, 9525, 10795, 18615, 27813, 31025, 32385, 46355, 53975, 93075, 139065, 157607, 161925, 231775, 472821, 695325, 788035, 2364105, 3940175, 11820525]

約数ペア:

[(1, 11820525), (3, 3940175), (5, 2364105), (15, 788035), (17, 695325), (25, 472821), (51, 231775), (73, 161925), (75, 157607), (85, 139065), (127, 93075), (219, 53975), (255, 46355), (365, 32385), (381, 31025), (425, 27813), (635, 18615), (1095, 10795), (1241, 9525), (1275, 9271), (1825, 6477), (1905, 6205), (2159, 5475), (3175, 3723)]