39903927

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 62668800

約数和(自身を除く): 22764873

約数列:

[1, 3, 7, 21, 67, 79, 201, 237, 359, 469, 553, 1077, 1407, 1659, 2513, 5293, 7539, 15879, 24053, 28361, 37051, 72159, 85083, 111153, 168371, 198527, 505113, 595581, 1900187, 5700561, 13301309, 39903927]

約数ペア:

[(1, 39903927), (3, 13301309), (7, 5700561), (21, 1900187), (67, 595581), (79, 505113), (201, 198527), (237, 168371), (359, 111153), (469, 85083), (553, 72159), (1077, 37051), (1407, 28361), (1659, 24053), (2513, 15879), (5293, 7539)]