212919915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1231}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 367589376

約数和(自身を除く): 154669461

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 887, 1231, 2661, 3693, 4435, 6155, 11531, 13305, 16003, 18465, 34593, 48009, 57655, 80015, 172965, 240045, 1091897, 3275691, 5459485, 14194661, 16378455, 42583983, 70973305, 212919915]

約数ペア:

[(1, 212919915), (3, 70973305), (5, 42583983), (13, 16378455), (15, 14194661), (39, 5459485), (65, 3275691), (195, 1091897), (887, 240045), (1231, 172965), (2661, 80015), (3693, 57655), (4435, 48009), (6155, 34593), (11531, 18465), (13305, 16003)]