239906241

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 374400000

約数和(自身を除く): 134493759

約数列:

[1, 3, 9, 29, 31, 87, 93, 149, 199, 261, 279, 447, 597, 899, 1341, 1791, 2697, 4321, 4619, 5771, 6169, 8091, 12963, 13857, 17313, 18507, 29651, 38889, 41571, 51939, 55521, 88953, 133951, 178901, 266859, 401853, 536703, 859879, 919181, 1205559, 1610109, 2579637, 2757543, 7738911, 8272629, 26656249, 79968747, 239906241]

約数ペア:

[(1, 239906241), (3, 79968747), (9, 26656249), (29, 8272629), (31, 7738911), (87, 2757543), (93, 2579637), (149, 1610109), (199, 1205559), (261, 919181), (279, 859879), (447, 536703), (597, 401853), (899, 266859), (1341, 178901), (1791, 133951), (2697, 88953), (4321, 55521), (4619, 51939), (5771, 41571), (6169, 38889), (8091, 29651), (12963, 18507), (13857, 17313)]