1666703961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2939}}^1$

素因数の和:3126

約数の個数: 48

約数和(自身を含む): 2683961280

約数和(自身を除く): 1017257319

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 131, 333, 393, 481, 1179, 1443, 1703, 2939, 4329, 4847, 5109, 8817, 14541, 15327, 26451, 38207, 43623, 63011, 108743, 114621, 189033, 326229, 343863, 385009, 567099, 978687, 1155027, 1413659, 3465081, 4240977, 5005117, 12722931, 14245333, 15015351, 42735999, 45046053, 128207997, 185189329, 555567987, 1666703961]

約数ペア:

[(1, 1666703961), (3, 555567987), (9, 185189329), (13, 128207997), (37, 45046053), (39, 42735999), (111, 15015351), (117, 14245333), (131, 12722931), (333, 5005117), (393, 4240977), (481, 3465081), (1179, 1413659), (1443, 1155027), (1703, 978687), (2939, 567099), (4329, 385009), (4847, 343863), (5109, 326229), (8817, 189033), (14541, 114621), (15327, 108743), (26451, 63011), (38207, 43623)]