81198468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173501}}^1$

素因数の和:173524

約数の個数: 36

約数和(自身を含む): 221041548

約数和(自身を除く): 139843080

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173501, 347002, 520503, 694004, 1041006, 1561509, 2082012, 2255513, 3123018, 4511026, 6246036, 6766539, 9022052, 13533078, 20299617, 27066156, 40599234, 81198468]

約数ペア:

[(1, 81198468), (2, 40599234), (3, 27066156), (4, 20299617), (6, 13533078), (9, 9022052), (12, 6766539), (13, 6246036), (18, 4511026), (26, 3123018), (36, 2255513), (39, 2082012), (52, 1561509), (78, 1041006), (117, 694004), (156, 520503), (234, 347002), (468, 173501)]