179880015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1999}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 329472000

約数和(自身を除く): 149591985

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 857, 1999, 2571, 4285, 5997, 5999, 9995, 12855, 13993, 17997, 29985, 29995, 41979, 69965, 89985, 209895, 1713143, 5139429, 8565715, 11992001, 25697145, 35976003, 59960005, 179880015]

約数ペア:

[(1, 179880015), (3, 59960005), (5, 35976003), (7, 25697145), (15, 11992001), (21, 8565715), (35, 5139429), (105, 1713143), (857, 209895), (1999, 89985), (2571, 69965), (4285, 41979), (5997, 29995), (5999, 29985), (9995, 17997), (12855, 13993)]