212175687

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 304680960

約数和(自身を除く): 92505273

約数列:

[1, 3, 29, 31, 87, 93, 151, 453, 521, 899, 1563, 2697, 4379, 4681, 13137, 14043, 15109, 16151, 45327, 48453, 78671, 135749, 236013, 407247, 468379, 1405137, 2281459, 2438801, 6844377, 7316403, 70725229, 212175687]

約数ペア:

[(1, 212175687), (3, 70725229), (29, 7316403), (31, 6844377), (87, 2438801), (93, 2281459), (151, 1405137), (453, 468379), (521, 407247), (899, 236013), (1563, 135749), (2697, 78671), (4379, 48453), (4681, 45327), (13137, 16151), (14043, 15109)]