40227579

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4840

約数の個数: 36

約数和(自身を含む): 71165640

約数和(自身を除く): 30938061

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 4801, 8379, 14403, 33607, 43209, 91219, 100821, 235249, 273657, 302463, 638533, 705747, 820971, 1915599, 2117241, 4469731, 5746797, 13409193, 40227579]

約数ペア:

[(1, 40227579), (3, 13409193), (7, 5746797), (9, 4469731), (19, 2117241), (21, 1915599), (49, 820971), (57, 705747), (63, 638533), (133, 302463), (147, 273657), (171, 235249), (399, 100821), (441, 91219), (931, 43209), (1197, 33607), (2793, 14403), (4801, 8379)]