16875005

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 24281088

約数和(自身を除く): 7406083

約数列:

[1, 5, 7, 31, 35, 103, 151, 155, 217, 515, 721, 755, 1057, 1085, 3193, 3605, 4681, 5285, 15553, 15965, 22351, 23405, 32767, 77765, 108871, 111755, 163835, 482143, 544355, 2410715, 3375001, 16875005]

約数ペア:

[(1, 16875005), (5, 3375001), (7, 2410715), (31, 544355), (35, 482143), (103, 163835), (151, 111755), (155, 108871), (217, 77765), (515, 32767), (721, 23405), (755, 22351), (1057, 15965), (1085, 15553), (3193, 5285), (3605, 4681)]