978487917

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 1468320000

約数和(自身を除く): 489832083

約数列:

[1, 3, 11, 33, 79, 121, 149, 229, 237, 363, 447, 687, 869, 1639, 2519, 2607, 4917, 7557, 9559, 11771, 18029, 18091, 27709, 28677, 34121, 35313, 54087, 54273, 83127, 102363, 129481, 199001, 375331, 388443, 597003, 1125993, 1424291, 2189011, 2695559, 4128641, 4272873, 6567033, 8086677, 12385923, 29651149, 88953447, 326162639, 978487917]

約数ペア:

[(1, 978487917), (3, 326162639), (11, 88953447), (33, 29651149), (79, 12385923), (121, 8086677), (149, 6567033), (229, 4272873), (237, 4128641), (363, 2695559), (447, 2189011), (687, 1424291), (869, 1125993), (1639, 597003), (2519, 388443), (2607, 375331), (4917, 199001), (7557, 129481), (9559, 102363), (11771, 83127), (18029, 54273), (18091, 54087), (27709, 35313), (28677, 34121)]