31945137

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 54389760

約数和(自身を除く): 22444623

約数列:

[1, 3, 7, 19, 21, 23, 57, 59, 69, 133, 161, 177, 399, 413, 437, 483, 1121, 1239, 1311, 1357, 3059, 3363, 3481, 4071, 7847, 9177, 9499, 10443, 23541, 24367, 25783, 28497, 66139, 73101, 77349, 80063, 180481, 198417, 240189, 462973, 541443, 560441, 1388919, 1521197, 1681323, 4563591, 10648379, 31945137]

約数ペア:

[(1, 31945137), (3, 10648379), (7, 4563591), (19, 1681323), (21, 1521197), (23, 1388919), (57, 560441), (59, 541443), (69, 462973), (133, 240189), (161, 198417), (177, 180481), (399, 80063), (413, 77349), (437, 73101), (483, 66139), (1121, 28497), (1239, 25783), (1311, 24367), (1357, 23541), (3059, 10443), (3363, 9499), (3481, 9177), (4071, 7847)]