11531709

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 36

約数和(自身を含む): 19680960

約数和(自身を除く): 8149251

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 331, 441, 553, 711, 993, 1659, 2317, 2979, 3871, 4977, 6951, 11613, 16219, 20853, 26149, 34839, 48657, 78447, 145971, 183043, 235341, 549129, 1281301, 1647387, 3843903, 11531709]

約数ペア:

[(1, 11531709), (3, 3843903), (7, 1647387), (9, 1281301), (21, 549129), (49, 235341), (63, 183043), (79, 145971), (147, 78447), (237, 48657), (331, 34839), (441, 26149), (553, 20853), (711, 16219), (993, 11613), (1659, 6951), (2317, 4977), (2979, 3871)]