42173313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 69603072

約数和(自身を除く): 27429759

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 641, 723, 1687, 1923, 3133, 4487, 5061, 8333, 9399, 13461, 21931, 24999, 58331, 65793, 154481, 174993, 463443, 1081367, 2008253, 3244101, 6024759, 14057771, 42173313]

約数ペア:

[(1, 42173313), (3, 14057771), (7, 6024759), (13, 3244101), (21, 2008253), (39, 1081367), (91, 463443), (241, 174993), (273, 154481), (641, 65793), (723, 58331), (1687, 24999), (1923, 21931), (3133, 13461), (4487, 9399), (5061, 8333)]