138165915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4871}}^1$

素因数の和:4971

約数の個数: 32

約数和(自身を含む): 231985152

約数和(自身を除く): 93819237

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 915, 1891, 4871, 5673, 9455, 14613, 24355, 28365, 73065, 151001, 297131, 453003, 755005, 891393, 1485655, 2265015, 4456965, 9211061, 27633183, 46055305, 138165915]

約数ペア:

[(1, 138165915), (3, 46055305), (5, 27633183), (15, 9211061), (31, 4456965), (61, 2265015), (93, 1485655), (155, 891393), (183, 755005), (305, 453003), (465, 297131), (915, 151001), (1891, 73065), (4871, 28365), (5673, 24355), (9455, 14613)]