207819927

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2977

約数の個数: 48

約数和(自身を含む): 365414400

約数和(自身を除く): 157594473

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1127, 1449, 2927, 3087, 3381, 7889, 8781, 10143, 20489, 23667, 26343, 61467, 67321, 71001, 143423, 184401, 201963, 430269, 471247, 605889, 1003961, 1290807, 1413741, 3011883, 3298729, 4241223, 9035649, 9896187, 23091103, 29688561, 69273309, 207819927]

約数ペア:

[(1, 207819927), (3, 69273309), (7, 29688561), (9, 23091103), (21, 9896187), (23, 9035649), (49, 4241223), (63, 3298729), (69, 3011883), (147, 1413741), (161, 1290807), (207, 1003961), (343, 605889), (441, 471247), (483, 430269), (1029, 201963), (1127, 184401), (1449, 143423), (2927, 71001), (3087, 67321), (3381, 61467), (7889, 26343), (8781, 23667), (10143, 20489)]