30787731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 52992576

約数和(自身を除く): 22204845

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 663, 673, 897, 1173, 1989, 2019, 2691, 3519, 5083, 6057, 8749, 11441, 15249, 15479, 26247, 34323, 45747, 46437, 78741, 102969, 139311, 148733, 201227, 263143, 446199, 603681, 789429, 1338597, 1811043, 2368287, 3420859, 10262577, 30787731]

約数ペア:

[(1, 30787731), (3, 10262577), (9, 3420859), (13, 2368287), (17, 1811043), (23, 1338597), (39, 789429), (51, 603681), (69, 446199), (117, 263143), (153, 201227), (207, 148733), (221, 139311), (299, 102969), (391, 78741), (663, 46437), (673, 45747), (897, 34323), (1173, 26247), (1989, 15479), (2019, 15249), (2691, 11441), (3519, 8749), (5083, 6057)]