221707143

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8053}}^1$

素因数の和:8108

約数の個数: 48

約数和(自身を含む): 402055680

約数和(自身を除く): 180348537

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 1197, 1311, 1449, 3059, 3933, 8053, 9177, 24159, 27531, 56371, 72477, 153007, 169113, 185219, 459021, 507339, 555657, 1071049, 1296533, 1377063, 1666971, 3213147, 3519161, 3889599, 9639441, 10557483, 11668797, 24634127, 31672449, 73902381, 221707143]

約数ペア:

[(1, 221707143), (3, 73902381), (7, 31672449), (9, 24634127), (19, 11668797), (21, 10557483), (23, 9639441), (57, 3889599), (63, 3519161), (69, 3213147), (133, 1666971), (161, 1377063), (171, 1296533), (207, 1071049), (399, 555657), (437, 507339), (483, 459021), (1197, 185219), (1311, 169113), (1449, 153007), (3059, 72477), (3933, 56371), (8053, 27531), (9177, 24159)]