2898819

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 5391360

約数和(自身を除く): 2492541

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 89, 99, 141, 231, 267, 329, 423, 517, 623, 693, 801, 979, 987, 1551, 1869, 2937, 2961, 3619, 4183, 4653, 5607, 6853, 8811, 10857, 12549, 20559, 29281, 32571, 37647, 46013, 61677, 87843, 138039, 263529, 322091, 414117, 966273, 2898819]

約数ペア:

[(1, 2898819), (3, 966273), (7, 414117), (9, 322091), (11, 263529), (21, 138039), (33, 87843), (47, 61677), (63, 46013), (77, 37647), (89, 32571), (99, 29281), (141, 20559), (231, 12549), (267, 10857), (329, 8811), (423, 6853), (517, 5607), (623, 4653), (693, 4183), (801, 3619), (979, 2961), (987, 2937), (1551, 1869)]