38531775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 68995584

約数和(自身を除く): 30463809

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 425, 643, 705, 799, 1175, 1275, 1929, 2397, 3215, 3525, 3995, 9645, 10931, 11985, 16075, 19975, 30221, 32793, 48225, 54655, 59925, 90663, 151105, 163965, 273275, 453315, 513757, 755525, 819825, 1541271, 2266575, 2568785, 7706355, 12843925, 38531775]

約数ペア:

[(1, 38531775), (3, 12843925), (5, 7706355), (15, 2568785), (17, 2266575), (25, 1541271), (47, 819825), (51, 755525), (75, 513757), (85, 453315), (141, 273275), (235, 163965), (255, 151105), (425, 90663), (643, 59925), (705, 54655), (799, 48225), (1175, 32793), (1275, 30221), (1929, 19975), (2397, 16075), (3215, 11985), (3525, 10931), (3995, 9645)]