259199031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20201}}^1$

素因数の和:20271

約数の個数: 32

約数和(自身を含む): 434423808

約数和(自身を除く): 175224777

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 20201, 60603, 141407, 262613, 424221, 787839, 949447, 1838291, 2848341, 5514873, 6646129, 12342811, 19938387, 37028433, 86399677, 259199031]

約数ペア:

[(1, 259199031), (3, 86399677), (7, 37028433), (13, 19938387), (21, 12342811), (39, 6646129), (47, 5514873), (91, 2848341), (141, 1838291), (273, 949447), (329, 787839), (611, 424221), (987, 262613), (1833, 141407), (4277, 60603), (12831, 20201)]