30767289

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2659}}^1$

素因数の和:2717

約数の個数: 32

約数和(自身を含む): 51072000

約数和(自身を除く): 20304711

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 2659, 3857, 7977, 11571, 18613, 50521, 55839, 77111, 151563, 231333, 353647, 539777, 1060941, 1465109, 1619331, 4395327, 10255763, 30767289]

約数ペア:

[(1, 30767289), (3, 10255763), (7, 4395327), (19, 1619331), (21, 1465109), (29, 1060941), (57, 539777), (87, 353647), (133, 231333), (203, 151563), (399, 77111), (551, 55839), (609, 50521), (1653, 18613), (2659, 11571), (3857, 7977)]