205909587

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 341644800

約数和(自身を除く): 135735213

約数列:

[1, 3, 9, 13, 27, 39, 59, 61, 117, 163, 177, 183, 351, 489, 531, 549, 767, 793, 1467, 1593, 1647, 2119, 2301, 2379, 3599, 4401, 6357, 6903, 7137, 9617, 9943, 10797, 19071, 20709, 21411, 28851, 29829, 32391, 46787, 57213, 86553, 89487, 97173, 125021, 129259, 140361, 259659, 268461, 375063, 387777, 421083, 586637, 1125189, 1163331, 1263249, 1759911, 3375567, 3489993, 5279733, 7626281, 15839199, 22878843, 68636529, 205909587]

約数ペア:

[(1, 205909587), (3, 68636529), (9, 22878843), (13, 15839199), (27, 7626281), (39, 5279733), (59, 3489993), (61, 3375567), (117, 1759911), (163, 1263249), (177, 1163331), (183, 1125189), (351, 586637), (489, 421083), (531, 387777), (549, 375063), (767, 268461), (793, 259659), (1467, 140361), (1593, 129259), (1647, 125021), (2119, 97173), (2301, 89487), (2379, 86553), (3599, 57213), (4401, 46787), (6357, 32391), (6903, 29829), (7137, 28851), (9617, 21411), (9943, 20709), (10797, 19071)]