221139945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6197}}^1$

素因数の和:6282

約数の個数: 48

約数和(自身を含む): 419629392

約数和(自身を除く): 198489447

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2379, 2745, 3965, 6197, 7137, 11895, 18591, 30985, 35685, 55773, 80561, 92955, 241683, 278865, 378017, 402805, 725049, 1134051, 1208415, 1890085, 3402153, 3625245, 4914221, 5670255, 14742663, 17010765, 24571105, 44227989, 73713315, 221139945]

約数ペア:

[(1, 221139945), (3, 73713315), (5, 44227989), (9, 24571105), (13, 17010765), (15, 14742663), (39, 5670255), (45, 4914221), (61, 3625245), (65, 3402153), (117, 1890085), (183, 1208415), (195, 1134051), (305, 725049), (549, 402805), (585, 378017), (793, 278865), (915, 241683), (2379, 92955), (2745, 80561), (3965, 55773), (6197, 35685), (7137, 30985), (11895, 18591)]