209470545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{202387}}^1$

素因数の和:202421

約数の個数: 24

約数和(自身を含む): 378870336

約数和(自身を除く): 169399791

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 202387, 607161, 1011935, 1821483, 3035805, 4654901, 9107415, 13964703, 23274505, 41894109, 69823515, 209470545]

約数ペア:

[(1, 209470545), (3, 69823515), (5, 41894109), (9, 23274505), (15, 13964703), (23, 9107415), (45, 4654901), (69, 3035805), (115, 1821483), (207, 1011935), (345, 607161), (1035, 202387)]