204559905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{12781}}^1$

素因数の和:12897

約数の個数: 32

約数和(自身を含む): 360759168

約数和(自身を除く): 156199263

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1455, 3201, 5335, 12781, 16005, 38343, 63905, 140591, 191715, 421773, 702955, 1239757, 2108865, 3719271, 6198785, 13637327, 18596355, 40911981, 68186635, 204559905]

約数ペア:

[(1, 204559905), (3, 68186635), (5, 40911981), (11, 18596355), (15, 13637327), (33, 6198785), (55, 3719271), (97, 2108865), (165, 1239757), (291, 702955), (485, 421773), (1067, 191715), (1455, 140591), (3201, 63905), (5335, 38343), (12781, 16005)]