210000014721

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2237}}^1\times {\mathrm{3911}}^1$

素因数の和:6291

約数の個数: 64

約数和(自身を含む): 358607093760

約数和(自身を除く): 148607079039

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2237, 2667, 3429, 3911, 6711, 8001, 11733, 15659, 20133, 24003, 27377, 35199, 46977, 60399, 82131, 105597, 140931, 246393, 284099, 422793, 496697, 739179, 852297, 1490091, 1988693, 2556891, 3476879, 4470273, 5966079, 7670673, 8748907, 10430637, 13410819, 17898237, 26246721, 31291911, 53694711, 61242349, 78740163, 93875733, 183727047, 236220489, 551181141, 1111111189, 1653543423, 3333333567, 7777778323, 10000000701, 23333334969, 30000002103, 70000004907, 210000014721]

約数ペア:

[(1, 210000014721), (3, 70000004907), (7, 30000002103), (9, 23333334969), (21, 10000000701), (27, 7777778323), (63, 3333333567), (127, 1653543423), (189, 1111111189), (381, 551181141), (889, 236220489), (1143, 183727047), (2237, 93875733), (2667, 78740163), (3429, 61242349), (3911, 53694711), (6711, 31291911), (8001, 26246721), (11733, 17898237), (15659, 13410819), (20133, 10430637), (24003, 8748907), (27377, 7670673), (35199, 5966079), (46977, 4470273), (60399, 3476879), (82131, 2556891), (105597, 1988693), (140931, 1490091), (246393, 852297), (284099, 739179), (422793, 496697)]