40418973

素因数分解:

$3^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 70479360

約数和(自身を除く): 30060387

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 137, 147, 189, 223, 411, 441, 669, 959, 1233, 1323, 1561, 2007, 2877, 3699, 4683, 6021, 6713, 8631, 10927, 14049, 20139, 25893, 30551, 32781, 42147, 60417, 91653, 98343, 181251, 213857, 274959, 295029, 641571, 824877, 1496999, 1924713, 4490997, 5774139, 13472991, 40418973]

約数ペア:

[(1, 40418973), (3, 13472991), (7, 5774139), (9, 4490997), (21, 1924713), (27, 1496999), (49, 824877), (63, 641571), (137, 295029), (147, 274959), (189, 213857), (223, 181251), (411, 98343), (441, 91653), (669, 60417), (959, 42147), (1233, 32781), (1323, 30551), (1561, 25893), (2007, 20139), (2877, 14049), (3699, 10927), (4683, 8631), (6021, 6713)]