201520839

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 312429312

約数和(自身を除く): 110908473

約数列:

[1, 3, 13, 17, 39, 51, 103, 169, 221, 227, 309, 507, 663, 681, 1339, 1751, 2873, 2951, 3859, 4017, 5253, 8619, 8853, 11577, 17407, 22763, 23381, 38363, 50167, 52221, 68289, 70143, 115089, 150501, 295919, 303953, 397477, 652171, 887757, 911859, 1192431, 1956513, 3951389, 5167201, 11854167, 15501603, 67173613, 201520839]

約数ペア:

[(1, 201520839), (3, 67173613), (13, 15501603), (17, 11854167), (39, 5167201), (51, 3951389), (103, 1956513), (169, 1192431), (221, 911859), (227, 887757), (309, 652171), (507, 397477), (663, 303953), (681, 295919), (1339, 150501), (1751, 115089), (2873, 70143), (2951, 68289), (3859, 52221), (4017, 50167), (5253, 38363), (8619, 23381), (8853, 22763), (11577, 17407)]