129602916

素因数分解:

$2^2\times 3^4\times {\mathrm{400009}}^1$

素因数の和:400025

約数の個数: 30

約数和(自身を含む): 338808470

約数和(自身を除く): 209205554

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 400009, 800018, 1200027, 1600036, 2400054, 3600081, 4800108, 7200162, 10800243, 14400324, 21600486, 32400729, 43200972, 64801458, 129602916]

約数ペア:

[(1, 129602916), (2, 64801458), (3, 43200972), (4, 32400729), (6, 21600486), (9, 14400324), (12, 10800243), (18, 7200162), (27, 4800108), (36, 3600081), (54, 2400054), (81, 1600036), (108, 1200027), (162, 800018), (324, 400009)]