991667397

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1\times {\mathrm{577}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 1524662272

約数和(自身を除く): 532994875

約数列:

[1, 3, 7, 21, 223, 367, 577, 669, 1101, 1561, 1731, 2569, 4039, 4683, 7707, 12117, 81841, 128671, 211759, 245523, 386013, 572887, 635277, 900697, 1482313, 1718661, 2702091, 4446939, 47222257, 141666771, 330555799, 991667397]

約数ペア:

[(1, 991667397), (3, 330555799), (7, 141666771), (21, 47222257), (223, 4446939), (367, 2702091), (577, 1718661), (669, 1482313), (1101, 900697), (1561, 635277), (1731, 572887), (2569, 386013), (4039, 245523), (4683, 211759), (7707, 128671), (12117, 81841)]