2015455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 2638944

約数和(自身を除く): 623489

約数列:

[1, 5, 13, 65, 101, 307, 505, 1313, 1535, 3991, 6565, 19955, 31007, 155035, 403091, 2015455]

約数ペア:

[(1, 2015455), (5, 403091), (13, 155035), (65, 31007), (101, 19955), (307, 6565), (505, 3991), (1313, 1535)]