16898679

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 29795040

約数和(自身を除く): 12896361

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 241, 371, 441, 477, 723, 1113, 1323, 1431, 1687, 2169, 2597, 3339, 5061, 6507, 7791, 10017, 11809, 12773, 15183, 23373, 35427, 38319, 45549, 70119, 89411, 106281, 114957, 268233, 318843, 344871, 625877, 804699, 1877631, 2414097, 5632893, 16898679]

約数ペア:

[(1, 16898679), (3, 5632893), (7, 2414097), (9, 1877631), (21, 804699), (27, 625877), (49, 344871), (53, 318843), (63, 268233), (147, 114957), (159, 106281), (189, 89411), (241, 70119), (371, 45549), (441, 38319), (477, 35427), (723, 23373), (1113, 15183), (1323, 12773), (1431, 11809), (1687, 10017), (2169, 7791), (2597, 6507), (3339, 5061)]