28697427

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3257}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 45742320

約数和(自身を除く): 17044893

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2937, 3257, 8811, 9771, 29313, 35827, 107481, 289873, 322443, 869619, 2608857, 3188603, 9565809, 28697427]

約数ペア:

[(1, 28697427), (3, 9565809), (9, 3188603), (11, 2608857), (33, 869619), (89, 322443), (99, 289873), (267, 107481), (801, 35827), (979, 29313), (2937, 9771), (3257, 8811)]