71920011

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 104030208

約数和(自身を除く): 32110197

約数列:

[1, 3, 23, 47, 67, 69, 141, 201, 331, 993, 1081, 1541, 3149, 3243, 4623, 7613, 9447, 15557, 22177, 22839, 46671, 66531, 72427, 217281, 357811, 510071, 1042319, 1073433, 1530213, 3126957, 23973337, 71920011]

約数ペア:

[(1, 71920011), (3, 23973337), (23, 3126957), (47, 1530213), (67, 1073433), (69, 1042319), (141, 510071), (201, 357811), (331, 217281), (993, 72427), (1081, 66531), (1541, 46671), (3149, 22839), (3243, 22177), (4623, 15557), (7613, 9447)]