520895907

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 902016000

約数和(自身を除く): 381120093

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 173, 179, 189, 267, 519, 537, 623, 801, 1211, 1253, 1557, 1611, 1869, 2403, 3633, 3759, 4671, 4833, 5607, 10899, 11277, 15397, 15931, 16821, 30967, 32697, 33831, 46191, 47793, 92901, 107779, 111517, 138573, 143379, 216769, 278703, 323337, 334551, 415719, 430137, 650307, 836109, 970011, 1003653, 1950921, 2756063, 2910033, 3010959, 5852763, 8268189, 19292441, 24804567, 57877323, 74413701, 173631969, 520895907]

約数ペア:

[(1, 520895907), (3, 173631969), (7, 74413701), (9, 57877323), (21, 24804567), (27, 19292441), (63, 8268189), (89, 5852763), (173, 3010959), (179, 2910033), (189, 2756063), (267, 1950921), (519, 1003653), (537, 970011), (623, 836109), (801, 650307), (1211, 430137), (1253, 415719), (1557, 334551), (1611, 323337), (1869, 278703), (2403, 216769), (3633, 143379), (3759, 138573), (4671, 111517), (4833, 107779), (5607, 92901), (10899, 47793), (11277, 46191), (15397, 33831), (15931, 32697), (16821, 30967)]