91391985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 164571264

約数和(自身を除く): 73179279

約数列:

[1, 3, 5, 9, 15, 43, 45, 73, 129, 215, 219, 365, 387, 645, 647, 657, 1095, 1935, 1941, 3139, 3235, 3285, 5823, 9417, 9705, 15695, 27821, 28251, 29115, 47085, 47231, 83463, 139105, 141255, 141693, 236155, 250389, 417315, 425079, 708465, 1251945, 2030933, 2125395, 6092799, 10154665, 18278397, 30463995, 91391985]

約数ペア:

[(1, 91391985), (3, 30463995), (5, 18278397), (9, 10154665), (15, 6092799), (43, 2125395), (45, 2030933), (73, 1251945), (129, 708465), (215, 425079), (219, 417315), (365, 250389), (387, 236155), (645, 141693), (647, 141255), (657, 139105), (1095, 83463), (1935, 47231), (1941, 47085), (3139, 29115), (3235, 28251), (3285, 27821), (5823, 15695), (9417, 9705)]