402705

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 758400

約数和(自身を除く): 355695

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 157, 171, 285, 471, 513, 785, 855, 1413, 2355, 2565, 2983, 4239, 7065, 8949, 14915, 21195, 26847, 44745, 80541, 134235, 402705]

約数ペア:

[(1, 402705), (3, 134235), (5, 80541), (9, 44745), (15, 26847), (19, 21195), (27, 14915), (45, 8949), (57, 7065), (95, 4239), (135, 2983), (157, 2565), (171, 2355), (285, 1413), (471, 855), (513, 785)]