77987241

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 115599744

約数和(自身を除く): 37612503

約数列:

[1, 3, 9, 47, 141, 331, 423, 557, 993, 1671, 2979, 5013, 15557, 26179, 46671, 78537, 140013, 184367, 235611, 553101, 1659303, 8665249, 25995747, 77987241]

約数ペア:

[(1, 77987241), (3, 25995747), (9, 8665249), (47, 1659303), (141, 553101), (331, 235611), (423, 184367), (557, 140013), (993, 78537), (1671, 46671), (2979, 26179), (5013, 15557)]