78868035

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 143777088

約数和(自身を除く): 64909053

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 181, 207, 345, 421, 543, 905, 1035, 1263, 1629, 2105, 2715, 3789, 4163, 6315, 8145, 9683, 12489, 18945, 20815, 29049, 37467, 48415, 62445, 76201, 87147, 145245, 187335, 228603, 381005, 435735, 685809, 1143015, 1752623, 3429045, 5257869, 8763115, 15773607, 26289345, 78868035]

約数ペア:

[(1, 78868035), (3, 26289345), (5, 15773607), (9, 8763115), (15, 5257869), (23, 3429045), (45, 1752623), (69, 1143015), (115, 685809), (181, 435735), (207, 381005), (345, 228603), (421, 187335), (543, 145245), (905, 87147), (1035, 76201), (1263, 62445), (1629, 48415), (2105, 37467), (2715, 29049), (3789, 20815), (4163, 18945), (6315, 12489), (8145, 9683)]