128744085

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{276869}}^1$

素因数の和:276908

約数の個数: 16

約数和(自身を含む): 212636160

約数和(自身を除く): 83892075

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 276869, 830607, 1384345, 4153035, 8582939, 25748817, 42914695, 128744085]

約数ペア:

[(1, 128744085), (3, 42914695), (5, 25748817), (15, 8582939), (31, 4153035), (93, 1384345), (155, 830607), (465, 276869)]