72407979

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16657}}^1$

素因数の和:16696

約数の個数: 32

約数和(自身を含む): 127933440

約数和(自身を除く): 55525461

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 16657, 49971, 116599, 149913, 349797, 383111, 449739, 1049391, 1149333, 2681777, 3148173, 3447999, 8045331, 10343997, 24135993, 72407979]

約数ペア:

[(1, 72407979), (3, 24135993), (7, 10343997), (9, 8045331), (21, 3447999), (23, 3148173), (27, 2681777), (63, 1149333), (69, 1049391), (161, 449739), (189, 383111), (207, 349797), (483, 149913), (621, 116599), (1449, 49971), (4347, 16657)]