40254921

素因数分解:

$3^3\times 7^2\times {\mathrm{30427}}^1$

素因数の和:30450

約数の個数: 24

約数和(自身を含む): 69375840

約数和(自身を除く): 29120919

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 30427, 91281, 212989, 273843, 638967, 821529, 1490923, 1916901, 4472769, 5750703, 13418307, 40254921]

約数ペア:

[(1, 40254921), (3, 13418307), (7, 5750703), (9, 4472769), (21, 1916901), (27, 1490923), (49, 821529), (63, 638967), (147, 273843), (189, 212989), (441, 91281), (1323, 30427)]