258275205

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 455495040

約数和(自身を除く): 197219835

約数列:

[1, 3, 5, 9, 15, 45, 139, 157, 263, 417, 471, 695, 785, 789, 1251, 1315, 1413, 2085, 2355, 2367, 3945, 6255, 7065, 11835, 21823, 36557, 41291, 65469, 109115, 109671, 123873, 182785, 196407, 206455, 327345, 329013, 371619, 548355, 619365, 982035, 1645065, 1858095, 5739449, 17218347, 28697245, 51655041, 86091735, 258275205]

約数ペア:

[(1, 258275205), (3, 86091735), (5, 51655041), (9, 28697245), (15, 17218347), (45, 5739449), (139, 1858095), (157, 1645065), (263, 982035), (417, 619365), (471, 548355), (695, 371619), (785, 329013), (789, 327345), (1251, 206455), (1315, 196407), (1413, 182785), (2085, 123873), (2355, 109671), (2367, 109115), (3945, 65469), (6255, 41291), (7065, 36557), (11835, 21823)]