212445597

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{3229}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 350183680

約数和(自身を除く): 137738083

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 723, 1687, 3133, 3229, 5061, 9399, 9687, 21931, 22603, 41977, 65793, 67809, 125931, 293839, 778189, 881517, 2334567, 5447323, 10116457, 16341969, 30349371, 70815199, 212445597]

約数ペア:

[(1, 212445597), (3, 70815199), (7, 30349371), (13, 16341969), (21, 10116457), (39, 5447323), (91, 2334567), (241, 881517), (273, 778189), (723, 293839), (1687, 125931), (3133, 67809), (3229, 65793), (5061, 41977), (9399, 22603), (9687, 21931)]