74165721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{691}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 119577600

約数和(自身を除く): 45411879

約数列:

[1, 3, 7, 19, 21, 57, 133, 269, 399, 691, 807, 1883, 2073, 4837, 5111, 5649, 13129, 14511, 15333, 35777, 39387, 91903, 107331, 185879, 275709, 557637, 1301153, 3531701, 3903459, 10595103, 24721907, 74165721]

約数ペア:

[(1, 74165721), (3, 24721907), (7, 10595103), (19, 3903459), (21, 3531701), (57, 1301153), (133, 557637), (269, 275709), (399, 185879), (691, 107331), (807, 91903), (1883, 39387), (2073, 35777), (4837, 15333), (5111, 14511), (5649, 13129)]