2129855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 3268608

約数和(自身を除く): 1138753

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 151, 155, 217, 403, 455, 755, 1057, 1085, 1963, 2015, 2821, 4681, 5285, 9815, 13741, 14105, 23405, 32767, 60853, 68705, 163835, 304265, 425971, 2129855]

約数ペア:

[(1, 2129855), (5, 425971), (7, 304265), (13, 163835), (31, 68705), (35, 60853), (65, 32767), (91, 23405), (151, 14105), (155, 13741), (217, 9815), (403, 5285), (455, 4681), (755, 2821), (1057, 2015), (1085, 1963)]