247300905

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 401163264

約数和(自身を除く): 153862359

約数列:

[1, 3, 5, 15, 157, 173, 471, 519, 607, 785, 865, 1821, 2355, 2595, 3035, 9105, 27161, 81483, 95299, 105011, 135805, 285897, 315033, 407415, 476495, 525055, 1429485, 1575165, 16486727, 49460181, 82433635, 247300905]

約数ペア:

[(1, 247300905), (3, 82433635), (5, 49460181), (15, 16486727), (157, 1575165), (173, 1429485), (471, 525055), (519, 476495), (607, 407415), (785, 315033), (865, 285897), (1821, 135805), (2355, 105011), (2595, 95299), (3035, 81483), (9105, 27161)]