209850003

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3847}}^1$

素因数の和:3912

約数の個数: 48

約数和(自身を含む): 360172800

約数和(自身を除く): 150322797

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 551, 627, 957, 1653, 1881, 2871, 3847, 4959, 6061, 11541, 18183, 34623, 42317, 54549, 73093, 111563, 126951, 219279, 334689, 380853, 657837, 804023, 1004067, 1227193, 2119697, 2412069, 3681579, 6359091, 7236207, 11044737, 19077273, 23316667, 69950001, 209850003]

約数ペア:

[(1, 209850003), (3, 69950001), (9, 23316667), (11, 19077273), (19, 11044737), (29, 7236207), (33, 6359091), (57, 3681579), (87, 2412069), (99, 2119697), (171, 1227193), (209, 1004067), (261, 804023), (319, 657837), (551, 380853), (627, 334689), (957, 219279), (1653, 126951), (1881, 111563), (2871, 73093), (3847, 54549), (4959, 42317), (6061, 34623), (11541, 18183)]