218368185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 418283520

約数和(自身を除く): 199915335

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 73, 93, 105, 155, 217, 219, 365, 465, 511, 651, 919, 1085, 1095, 1533, 2263, 2555, 2757, 3255, 4595, 6433, 6789, 7665, 11315, 13785, 15841, 19299, 28489, 32165, 33945, 47523, 67087, 79205, 85467, 96495, 142445, 199423, 201261, 237615, 335435, 427335, 469609, 598269, 997115, 1006305, 1408827, 2079697, 2348045, 2991345, 6239091, 7044135, 10398485, 14557879, 31195455, 43673637, 72789395, 218368185]

約数ペア:

[(1, 218368185), (3, 72789395), (5, 43673637), (7, 31195455), (15, 14557879), (21, 10398485), (31, 7044135), (35, 6239091), (73, 2991345), (93, 2348045), (105, 2079697), (155, 1408827), (217, 1006305), (219, 997115), (365, 598269), (465, 469609), (511, 427335), (651, 335435), (919, 237615), (1085, 201261), (1095, 199423), (1533, 142445), (2263, 96495), (2555, 85467), (2757, 79205), (3255, 67087), (4595, 47523), (6433, 33945), (6789, 32165), (7665, 28489), (11315, 19299), (13785, 15841)]