581385

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{113}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 1094400

約数和(自身を除く): 513015

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 113, 147, 245, 339, 343, 565, 735, 791, 1029, 1695, 1715, 2373, 3955, 5145, 5537, 11865, 16611, 27685, 38759, 83055, 116277, 193795, 581385]

約数ペア:

[(1, 581385), (3, 193795), (5, 116277), (7, 83055), (15, 38759), (21, 27685), (35, 16611), (49, 11865), (105, 5537), (113, 5145), (147, 3955), (245, 2373), (339, 1715), (343, 1695), (565, 1029), (735, 791)]