203445991

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 248976000

約数和(自身を除く): 45530009

約数列:

[1, 7, 29, 49, 113, 181, 203, 343, 791, 1267, 1421, 3277, 5249, 5537, 8869, 9947, 20453, 22939, 36743, 38759, 62083, 143171, 160573, 257201, 593137, 1002197, 1124011, 1800407, 4151959, 7015379, 29063713, 203445991]

約数ペア:

[(1, 203445991), (7, 29063713), (29, 7015379), (49, 4151959), (113, 1800407), (181, 1124011), (203, 1002197), (343, 593137), (791, 257201), (1267, 160573), (1421, 143171), (3277, 62083), (5249, 38759), (5537, 36743), (8869, 22939), (9947, 20453)]