1551146247

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1621}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 2703160320

約数和(自身を除く): 1152014073

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 83, 183, 189, 249, 427, 549, 581, 747, 1281, 1621, 1647, 1743, 2241, 3843, 4863, 5063, 5229, 11347, 11529, 14589, 15189, 15687, 34041, 35441, 43767, 45567, 98881, 102123, 106323, 134543, 136701, 296643, 306369, 318969, 403629, 692167, 889929, 941801, 956907, 1210887, 2076501, 2669787, 2825403, 3632661, 6229503, 8207123, 8476209, 18688509, 24621369, 25428627, 57449861, 73864107, 172349583, 221592321, 517048749, 1551146247]

約数ペア:

[(1, 1551146247), (3, 517048749), (7, 221592321), (9, 172349583), (21, 73864107), (27, 57449861), (61, 25428627), (63, 24621369), (83, 18688509), (183, 8476209), (189, 8207123), (249, 6229503), (427, 3632661), (549, 2825403), (581, 2669787), (747, 2076501), (1281, 1210887), (1621, 956907), (1647, 941801), (1743, 889929), (2241, 692167), (3843, 403629), (4863, 318969), (5063, 306369), (5229, 296643), (11347, 136701), (11529, 134543), (14589, 106323), (15189, 102123), (15687, 98881), (34041, 45567), (35441, 43767)]