78847473

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 116582400

約数和(自身を除く): 37734927

約数列:

[1, 3, 19, 23, 57, 69, 137, 411, 437, 439, 1311, 1317, 2603, 3151, 7809, 8341, 9453, 10097, 25023, 30291, 59869, 60143, 179607, 180429, 191843, 575529, 1142717, 1383289, 3428151, 4149867, 26282491, 78847473]

約数ペア:

[(1, 78847473), (3, 26282491), (19, 4149867), (23, 3428151), (57, 1383289), (69, 1142717), (137, 575529), (411, 191843), (437, 180429), (439, 179607), (1311, 60143), (1317, 59869), (2603, 30291), (3151, 25023), (7809, 10097), (8341, 9453)]