565565775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 1007279280

約数和(自身を除く): 441713505

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 255, 269, 289, 291, 425, 485, 807, 867, 1275, 1345, 1445, 1455, 1649, 2425, 4035, 4335, 4573, 4947, 6725, 7225, 7275, 8245, 13719, 20175, 21675, 22865, 24735, 26093, 28033, 41225, 68595, 77741, 78279, 84099, 114325, 123675, 130465, 140165, 233223, 342975, 388705, 391395, 420495, 443581, 652325, 700825, 1166115, 1330743, 1943525, 1956975, 2102475, 2217905, 5830575, 6653715, 7540877, 11089525, 22622631, 33268575, 37704385, 113113155, 188521925, 565565775]

約数ペア:

[(1, 565565775), (3, 188521925), (5, 113113155), (15, 37704385), (17, 33268575), (25, 22622631), (51, 11089525), (75, 7540877), (85, 6653715), (97, 5830575), (255, 2217905), (269, 2102475), (289, 1956975), (291, 1943525), (425, 1330743), (485, 1166115), (807, 700825), (867, 652325), (1275, 443581), (1345, 420495), (1445, 391395), (1455, 388705), (1649, 342975), (2425, 233223), (4035, 140165), (4335, 130465), (4573, 123675), (4947, 114325), (6725, 84099), (7225, 78279), (7275, 77741), (8245, 68595), (13719, 41225), (20175, 28033), (21675, 26093), (22865, 24735)]