15989505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{773}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 29424384

約数和(自身を除く): 13434879

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 773, 985, 1379, 2319, 2955, 3865, 4137, 5411, 6895, 11595, 16233, 20685, 27055, 81165, 152281, 456843, 761405, 1065967, 2284215, 3197901, 5329835, 15989505]

約数ペア:

[(1, 15989505), (3, 5329835), (5, 3197901), (7, 2284215), (15, 1065967), (21, 761405), (35, 456843), (105, 152281), (197, 81165), (591, 27055), (773, 20685), (985, 16233), (1379, 11595), (2319, 6895), (2955, 5411), (3865, 4137)]