421739565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{4441}}^1$

素因数の和:4949

約数の個数: 32

約数和(自身を含む): 728345856

約数和(自身を除く): 306606291

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 487, 1461, 2435, 4441, 6331, 7305, 13323, 18993, 22205, 31655, 57733, 66615, 94965, 173199, 288665, 865995, 2162767, 6488301, 10813835, 28115971, 32441505, 84347913, 140579855, 421739565]

約数ペア:

[(1, 421739565), (3, 140579855), (5, 84347913), (13, 32441505), (15, 28115971), (39, 10813835), (65, 6488301), (195, 2162767), (487, 865995), (1461, 288665), (2435, 173199), (4441, 94965), (6331, 66615), (7305, 57733), (13323, 31655), (18993, 22205)]