889291221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1\times {\mathrm{2063}}^1$

素因数の和:3665

約数の個数: 32

約数和(自身を含む): 1460981760

約数和(自身を除く): 571690539

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1579, 2063, 4737, 6189, 11053, 14441, 20527, 26819, 33159, 43323, 61581, 80457, 143689, 187733, 431067, 563199, 3257477, 9772431, 22802339, 42347201, 68407017, 127041603, 296430407, 889291221]

約数ペア:

[(1, 889291221), (3, 296430407), (7, 127041603), (13, 68407017), (21, 42347201), (39, 22802339), (91, 9772431), (273, 3257477), (1579, 563199), (2063, 431067), (4737, 187733), (6189, 143689), (11053, 80457), (14441, 61581), (20527, 43323), (26819, 33159)]