261330241809

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1609}}^1\times {\mathrm{84991}}^1$

素因数の和:86630

約数の個数: 48

約数和(自身を含む): 436784087040

約数和(自身を除く): 175453845231

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1609, 1911, 4827, 11263, 20917, 33789, 62751, 78841, 84991, 146419, 236523, 254973, 439257, 594937, 1024933, 1104883, 1784811, 3074799, 3314649, 4164559, 7734181, 12493677, 23202543, 54139267, 136750519, 162417801, 410251557, 957253633, 1777756747, 2871760899, 5333270241, 6700775431, 12444297229, 20102326293, 37332891687, 87110080603, 261330241809]

約数ペア:

[(1, 261330241809), (3, 87110080603), (7, 37332891687), (13, 20102326293), (21, 12444297229), (39, 6700775431), (49, 5333270241), (91, 2871760899), (147, 1777756747), (273, 957253633), (637, 410251557), (1609, 162417801), (1911, 136750519), (4827, 54139267), (11263, 23202543), (20917, 12493677), (33789, 7734181), (62751, 4164559), (78841, 3314649), (84991, 3074799), (146419, 1784811), (236523, 1104883), (254973, 1024933), (439257, 594937)]