78768735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2999}}^1$

素因数の和:3127

約数の個数: 32

約数和(自身を含む): 134784000

約数和(自身を除く): 56015265

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 309, 515, 1545, 1751, 2999, 5253, 8755, 8997, 14995, 26265, 44985, 50983, 152949, 254915, 308897, 764745, 926691, 1544485, 4633455, 5251249, 15753747, 26256245, 78768735]

約数ペア:

[(1, 78768735), (3, 26256245), (5, 15753747), (15, 5251249), (17, 4633455), (51, 1544485), (85, 926691), (103, 764745), (255, 308897), (309, 254915), (515, 152949), (1545, 50983), (1751, 44985), (2999, 26265), (5253, 14995), (8755, 8997)]