80128503

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 143410176

約数和(自身を除く): 63281673

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 227, 273, 431, 681, 819, 1293, 1589, 2043, 2951, 3017, 3879, 4767, 5603, 8853, 9051, 14301, 16809, 20657, 26559, 27153, 39221, 50427, 61971, 97837, 117663, 185913, 293511, 352989, 684859, 880533, 1271881, 2054577, 3815643, 6163731, 8903167, 11446929, 26709501, 80128503]

約数ペア:

[(1, 80128503), (3, 26709501), (7, 11446929), (9, 8903167), (13, 6163731), (21, 3815643), (39, 2054577), (63, 1271881), (91, 880533), (117, 684859), (227, 352989), (273, 293511), (431, 185913), (681, 117663), (819, 97837), (1293, 61971), (1589, 50427), (2043, 39221), (2951, 27153), (3017, 26559), (3879, 20657), (4767, 16809), (5603, 14301), (8853, 9051)]