39440331

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 71639040

約数和(自身を除く): 32198709

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 129, 161, 189, 207, 211, 301, 387, 483, 621, 633, 903, 989, 1161, 1449, 1477, 1899, 2709, 2967, 4347, 4431, 4853, 5697, 6923, 8127, 8901, 9073, 13293, 14559, 20769, 26703, 27219, 33971, 39879, 43677, 62307, 63511, 81657, 101913, 131031, 186921, 190533, 208679, 244971, 305739, 571599, 626037, 917217, 1460753, 1714797, 1878111, 4382259, 5634333, 13146777, 39440331]

約数ペア:

[(1, 39440331), (3, 13146777), (7, 5634333), (9, 4382259), (21, 1878111), (23, 1714797), (27, 1460753), (43, 917217), (63, 626037), (69, 571599), (129, 305739), (161, 244971), (189, 208679), (207, 190533), (211, 186921), (301, 131031), (387, 101913), (483, 81657), (621, 63511), (633, 62307), (903, 43677), (989, 39879), (1161, 33971), (1449, 27219), (1477, 26703), (1899, 20769), (2709, 14559), (2967, 13293), (4347, 9073), (4431, 8901), (4853, 8127), (5697, 6923)]