71590005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 140375040

約数和(自身を除く): 68785035

約数列:

[1, 3, 5, 9, 15, 19, 31, 37, 45, 57, 73, 93, 95, 111, 155, 171, 185, 219, 279, 285, 333, 365, 465, 555, 589, 657, 703, 855, 1095, 1147, 1387, 1395, 1665, 1767, 2109, 2263, 2701, 2945, 3285, 3441, 3515, 4161, 5301, 5735, 6327, 6789, 6935, 8103, 8835, 10323, 10545, 11315, 12483, 13505, 17205, 20367, 20805, 21793, 24309, 26505, 31635, 33945, 40515, 42997, 51319, 51615, 62415, 65379, 83731, 101835, 108965, 121545, 128991, 153957, 196137, 214985, 251193, 256595, 326895, 386973, 418655, 461871, 644955, 753579, 769785, 980685, 1255965, 1590889, 1934865, 2309355, 3767895, 4772667, 7954445, 14318001, 23863335, 71590005]

約数ペア:

[(1, 71590005), (3, 23863335), (5, 14318001), (9, 7954445), (15, 4772667), (19, 3767895), (31, 2309355), (37, 1934865), (45, 1590889), (57, 1255965), (73, 980685), (93, 769785), (95, 753579), (111, 644955), (155, 461871), (171, 418655), (185, 386973), (219, 326895), (279, 256595), (285, 251193), (333, 214985), (365, 196137), (465, 153957), (555, 128991), (589, 121545), (657, 108965), (703, 101835), (855, 83731), (1095, 65379), (1147, 62415), (1387, 51615), (1395, 51319), (1665, 42997), (1767, 40515), (2109, 33945), (2263, 31635), (2701, 26505), (2945, 24309), (3285, 21793), (3441, 20805), (3515, 20367), (4161, 17205), (5301, 13505), (5735, 12483), (6327, 11315), (6789, 10545), (6935, 10323), (8103, 8835)]