18221301

素因数分解:

$3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 31059200

約数和(自身を除く): 12837899

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 229, 421, 687, 1263, 1603, 2061, 2947, 3789, 4809, 6183, 8841, 11367, 14427, 26523, 43281, 79569, 96409, 289227, 674863, 867681, 2024589, 2603043, 6073767, 18221301]

約数ペア:

[(1, 18221301), (3, 6073767), (7, 2603043), (9, 2024589), (21, 867681), (27, 674863), (63, 289227), (189, 96409), (229, 79569), (421, 43281), (687, 26523), (1263, 14427), (1603, 11367), (2061, 8841), (2947, 6183), (3789, 4809)]