16446213

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 29329920

約数和(自身を除く): 12883707

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 401, 441, 651, 837, 1203, 1323, 1519, 1953, 2807, 3609, 4557, 5859, 8421, 10827, 12431, 13671, 19649, 25263, 37293, 41013, 58947, 75789, 87017, 111879, 176841, 261051, 335637, 530523, 609119, 783153, 1827357, 2349459, 5482071, 16446213]

約数ペア:

[(1, 16446213), (3, 5482071), (7, 2349459), (9, 1827357), (21, 783153), (27, 609119), (31, 530523), (49, 335637), (63, 261051), (93, 176841), (147, 111879), (189, 87017), (217, 75789), (279, 58947), (401, 41013), (441, 37293), (651, 25263), (837, 19649), (1203, 13671), (1323, 12431), (1519, 10827), (1953, 8421), (2807, 5859), (3609, 4557)]