289775031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2647}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 476894208

約数和(自身を除く): 187119177

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 401, 1203, 2647, 2807, 5213, 7941, 8421, 15639, 18529, 34411, 36491, 55587, 103233, 109473, 240877, 722631, 1061447, 3184341, 7430129, 13798811, 22290387, 41396433, 96591677, 289775031]

約数ペア:

[(1, 289775031), (3, 96591677), (7, 41396433), (13, 22290387), (21, 13798811), (39, 7430129), (91, 3184341), (273, 1061447), (401, 722631), (1203, 240877), (2647, 109473), (2807, 103233), (5213, 55587), (7941, 36491), (8421, 34411), (15639, 18529)]