279969123

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1297}}^1$

素因数の和:1867

約数の個数: 32

約数和(自身を含む): 450250240

約数和(自身を除く): 170281117

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 541, 1297, 1623, 3787, 3891, 9079, 10279, 11361, 24643, 27237, 30837, 71953, 73929, 172501, 215859, 517503, 701677, 2105031, 4911739, 13331863, 14735217, 39995589, 93323041, 279969123]

約数ペア:

[(1, 279969123), (3, 93323041), (7, 39995589), (19, 14735217), (21, 13331863), (57, 4911739), (133, 2105031), (399, 701677), (541, 517503), (1297, 215859), (1623, 172501), (3787, 73929), (3891, 71953), (9079, 30837), (10279, 27237), (11361, 24643)]