489071709

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 857088000

約数和(自身を除く): 368016291

約数列:

[1, 3, 7, 9, 21, 27, 59, 61, 63, 177, 183, 189, 413, 427, 531, 549, 719, 1239, 1281, 1593, 1647, 2157, 3599, 3717, 3843, 5033, 6471, 10797, 11151, 11529, 15099, 19413, 25193, 32391, 42421, 43859, 45297, 75579, 97173, 127263, 131577, 135891, 226737, 296947, 307013, 381789, 394731, 680211, 890841, 921039, 1145367, 1184193, 2587681, 2672523, 2763117, 7763043, 8017569, 8289351, 18113767, 23289129, 54341301, 69867387, 163023903, 489071709]

約数ペア:

[(1, 489071709), (3, 163023903), (7, 69867387), (9, 54341301), (21, 23289129), (27, 18113767), (59, 8289351), (61, 8017569), (63, 7763043), (177, 2763117), (183, 2672523), (189, 2587681), (413, 1184193), (427, 1145367), (531, 921039), (549, 890841), (719, 680211), (1239, 394731), (1281, 381789), (1593, 307013), (1647, 296947), (2157, 226737), (3599, 135891), (3717, 131577), (3843, 127263), (5033, 97173), (6471, 75579), (10797, 45297), (11151, 43859), (11529, 42421), (15099, 32391), (19413, 25193)]