231318819

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 358300800

約数和(自身を除く): 126981981

約数列:

[1, 3, 9, 29, 47, 87, 109, 141, 173, 261, 327, 423, 519, 981, 1363, 1557, 3161, 4089, 5017, 5123, 8131, 9483, 12267, 15051, 15369, 18857, 24393, 28449, 45153, 46107, 56571, 73179, 148567, 169713, 235799, 445701, 546853, 707397, 886279, 1337103, 1640559, 2122191, 2658837, 4921677, 7976511, 25702091, 77106273, 231318819]

約数ペア:

[(1, 231318819), (3, 77106273), (9, 25702091), (29, 7976511), (47, 4921677), (87, 2658837), (109, 2122191), (141, 1640559), (173, 1337103), (261, 886279), (327, 707397), (423, 546853), (519, 445701), (981, 235799), (1363, 169713), (1557, 148567), (3161, 73179), (4089, 56571), (5017, 46107), (5123, 45153), (8131, 28449), (9483, 24393), (12267, 18857), (15051, 15369)]