31081995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 65249280

約数和(自身を除く): 34167285

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 837, 945, 1061, 1085, 1395, 1953, 3183, 3255, 4185, 5305, 5859, 7427, 9549, 9765, 15915, 22281, 28647, 29295, 32891, 37135, 47745, 66843, 98673, 111405, 143235, 164455, 200529, 230237, 296019, 334215, 493365, 690711, 888057, 1002645, 1151185, 1480095, 2072133, 3453555, 4440285, 6216399, 10360665, 31081995]

約数ペア:

[(1, 31081995), (3, 10360665), (5, 6216399), (7, 4440285), (9, 3453555), (15, 2072133), (21, 1480095), (27, 1151185), (31, 1002645), (35, 888057), (45, 690711), (63, 493365), (93, 334215), (105, 296019), (135, 230237), (155, 200529), (189, 164455), (217, 143235), (279, 111405), (315, 98673), (465, 66843), (651, 47745), (837, 37135), (945, 32891), (1061, 29295), (1085, 28647), (1395, 22281), (1953, 15915), (3183, 9765), (3255, 9549), (4185, 7427), (5305, 5859)]