9919665

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{3499}}^1$

素因数の和:3523

約数の個数: 40

約数和(自身を含む): 20328000

約数和(自身を除く): 10408335

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 3499, 10497, 17495, 24493, 31491, 52485, 73479, 94473, 122465, 157455, 220437, 283419, 367395, 472365, 661311, 1102185, 1417095, 1983933, 3306555, 9919665]

約数ペア:

[(1, 9919665), (3, 3306555), (5, 1983933), (7, 1417095), (9, 1102185), (15, 661311), (21, 472365), (27, 367395), (35, 283419), (45, 220437), (63, 157455), (81, 122465), (105, 94473), (135, 73479), (189, 52485), (315, 31491), (405, 24493), (567, 17495), (945, 10497), (2835, 3499)]