71178921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 119808000

約数和(自身を除く): 48629079

約数列:

[1, 3, 9, 11, 19, 33, 57, 79, 99, 171, 209, 237, 479, 627, 711, 869, 1437, 1501, 1881, 2607, 4311, 4503, 5269, 7821, 9101, 13509, 15807, 16511, 27303, 37841, 47421, 49533, 81909, 100111, 113523, 148599, 300333, 340569, 416251, 718979, 900999, 1248753, 2156937, 3746259, 6470811, 7908769, 23726307, 71178921]

約数ペア:

[(1, 71178921), (3, 23726307), (9, 7908769), (11, 6470811), (19, 3746259), (33, 2156937), (57, 1248753), (79, 900999), (99, 718979), (171, 416251), (209, 340569), (237, 300333), (479, 148599), (627, 113523), (711, 100111), (869, 81909), (1437, 49533), (1501, 47421), (1881, 37841), (2607, 27303), (4311, 16511), (4503, 15807), (5269, 13509), (7821, 9101)]