257599245

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{19231}}^1$

素因数の和:19305

約数の個数: 32

約数和(自身を含む): 443105280

約数和(自身を除く): 185506035

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 2679, 4465, 13395, 19231, 57693, 96155, 288465, 365389, 903857, 1096167, 1826945, 2711571, 4519285, 5480835, 13557855, 17173283, 51519849, 85866415, 257599245]

約数ペア:

[(1, 257599245), (3, 85866415), (5, 51519849), (15, 17173283), (19, 13557855), (47, 5480835), (57, 4519285), (95, 2711571), (141, 1826945), (235, 1096167), (285, 903857), (705, 365389), (893, 288465), (2679, 96155), (4465, 57693), (13395, 19231)]