84375025

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 125452288

約数和(自身を除く): 41077263

約数列:

[1, 5, 7, 25, 31, 35, 103, 151, 155, 175, 217, 515, 721, 755, 775, 1057, 1085, 2575, 3193, 3605, 3775, 4681, 5285, 5425, 15553, 15965, 18025, 22351, 23405, 26425, 32767, 77765, 79825, 108871, 111755, 117025, 163835, 388825, 482143, 544355, 558775, 819175, 2410715, 2721775, 3375001, 12053575, 16875005, 84375025]

約数ペア:

[(1, 84375025), (5, 16875005), (7, 12053575), (25, 3375001), (31, 2721775), (35, 2410715), (103, 819175), (151, 558775), (155, 544355), (175, 482143), (217, 388825), (515, 163835), (721, 117025), (755, 111755), (775, 108871), (1057, 79825), (1085, 77765), (2575, 32767), (3193, 26425), (3605, 23405), (3775, 22351), (4681, 18025), (5285, 15965), (5425, 15553)]