165906975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 296980992

約数和(自身を除く): 131074017

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 263, 325, 647, 789, 975, 1315, 1941, 3235, 3419, 3945, 6575, 8411, 9705, 10257, 16175, 17095, 19725, 25233, 42055, 48525, 51285, 85475, 126165, 170161, 210275, 256425, 510483, 630825, 850805, 2212093, 2552415, 4254025, 6636279, 11060465, 12762075, 33181395, 55302325, 165906975]

約数ペア:

[(1, 165906975), (3, 55302325), (5, 33181395), (13, 12762075), (15, 11060465), (25, 6636279), (39, 4254025), (65, 2552415), (75, 2212093), (195, 850805), (263, 630825), (325, 510483), (647, 256425), (789, 210275), (975, 170161), (1315, 126165), (1941, 85475), (3235, 51285), (3419, 48525), (3945, 42055), (6575, 25233), (8411, 19725), (9705, 17095), (10257, 16175)]