78004431

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 122688000

約数和(自身を除く): 44683569

約数列:

[1, 3, 9, 23, 27, 59, 69, 177, 207, 531, 621, 1357, 1593, 2129, 4071, 6387, 12213, 19161, 36639, 48967, 57483, 125611, 146901, 376833, 440703, 1130499, 1322109, 2889053, 3391497, 8667159, 26001477, 78004431]

約数ペア:

[(1, 78004431), (3, 26001477), (9, 8667159), (23, 3391497), (27, 2889053), (59, 1322109), (69, 1130499), (177, 440703), (207, 376833), (531, 146901), (621, 125611), (1357, 57483), (1593, 48967), (2129, 36639), (4071, 19161), (6387, 12213)]