405720207

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{52973}}^1$

素因数の和:53039

約数の個数: 24

約数和(自身を含む): 628059744

約数和(自身を除く): 222339537

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 7659, 52973, 158919, 476757, 1218379, 1960001, 3655137, 5880003, 10965411, 17640009, 45080023, 135240069, 405720207]

約数ペア:

[(1, 405720207), (3, 135240069), (9, 45080023), (23, 17640009), (37, 10965411), (69, 5880003), (111, 3655137), (207, 1960001), (333, 1218379), (851, 476757), (2553, 158919), (7659, 52973)]