7814289

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 12476160

約数和(自身を除く): 4661871

約数列:

[1, 3, 7, 21, 37, 89, 111, 113, 259, 267, 339, 623, 777, 791, 1869, 2373, 3293, 4181, 9879, 10057, 12543, 23051, 29267, 30171, 69153, 70399, 87801, 211197, 372109, 1116327, 2604763, 7814289]

約数ペア:

[(1, 7814289), (3, 2604763), (7, 1116327), (21, 372109), (37, 211197), (89, 87801), (111, 70399), (113, 69153), (259, 30171), (267, 29267), (339, 23051), (623, 12543), (777, 10057), (791, 9879), (1869, 4181), (2373, 3293)]