87870465

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1163}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 161246592

約数和(自身を除く): 73376127

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 657, 1035, 1095, 1163, 1679, 3285, 3489, 5037, 5815, 8395, 10467, 15111, 17445, 25185, 26749, 52335, 75555, 80247, 84899, 133745, 240741, 254697, 401235, 424495, 764091, 1203705, 1273485, 1952677, 3820455, 5858031, 9763385, 17574093, 29290155, 87870465]

約数ペア:

[(1, 87870465), (3, 29290155), (5, 17574093), (9, 9763385), (15, 5858031), (23, 3820455), (45, 1952677), (69, 1273485), (73, 1203705), (115, 764091), (207, 424495), (219, 401235), (345, 254697), (365, 240741), (657, 133745), (1035, 84899), (1095, 80247), (1163, 75555), (1679, 52335), (3285, 26749), (3489, 25185), (5037, 17445), (5815, 15111), (8395, 10467)]