121663871

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 149422080

約数和(自身を除く): 27758209

約数列:

[1, 7, 31, 47, 79, 151, 217, 329, 553, 1057, 1457, 2449, 3713, 4681, 7097, 10199, 11929, 17143, 25991, 32767, 49679, 83503, 115103, 220007, 369799, 560663, 805721, 1540049, 2588593, 3924641, 17380553, 121663871]

約数ペア:

[(1, 121663871), (7, 17380553), (31, 3924641), (47, 2588593), (79, 1540049), (151, 805721), (217, 560663), (329, 369799), (553, 220007), (1057, 115103), (1457, 83503), (2449, 49679), (3713, 32767), (4681, 25991), (7097, 17143), (10199, 11929)]