211580607

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 335047680

約数和(自身を除く): 123467073

約数列:

[1, 3, 7, 21, 29, 87, 203, 263, 609, 789, 1321, 1841, 3963, 5523, 7627, 9247, 22881, 27741, 38309, 53389, 114927, 160167, 268163, 347423, 804489, 1042269, 2431961, 7295883, 10075267, 30225801, 70526869, 211580607]

約数ペア:

[(1, 211580607), (3, 70526869), (7, 30225801), (21, 10075267), (29, 7295883), (87, 2431961), (203, 1042269), (263, 804489), (609, 347423), (789, 268163), (1321, 160167), (1841, 114927), (3963, 53389), (5523, 38309), (7627, 27741), (9247, 22881)]