1958805

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 3744000

約数和(自身を除く): 1785195

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 79, 87, 95, 145, 171, 237, 261, 285, 395, 435, 551, 711, 855, 1185, 1305, 1501, 1653, 2291, 2755, 3555, 4503, 4959, 6873, 7505, 8265, 11455, 13509, 20619, 22515, 24795, 34365, 43529, 67545, 103095, 130587, 217645, 391761, 652935, 1958805]

約数ペア:

[(1, 1958805), (3, 652935), (5, 391761), (9, 217645), (15, 130587), (19, 103095), (29, 67545), (45, 43529), (57, 34365), (79, 24795), (87, 22515), (95, 20619), (145, 13509), (171, 11455), (237, 8265), (261, 7505), (285, 6873), (395, 4959), (435, 4503), (551, 3555), (711, 2755), (855, 2291), (1185, 1653), (1305, 1501)]