7278465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 13085568

約数和(自身を除く): 5807103

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 73, 85, 115, 219, 255, 289, 345, 365, 391, 867, 1095, 1173, 1241, 1445, 1679, 1955, 3723, 4335, 5037, 5865, 6205, 6647, 8395, 18615, 19941, 21097, 25185, 28543, 33235, 63291, 85629, 99705, 105485, 142715, 316455, 428145, 485231, 1455693, 2426155, 7278465]

約数ペア:

[(1, 7278465), (3, 2426155), (5, 1455693), (15, 485231), (17, 428145), (23, 316455), (51, 142715), (69, 105485), (73, 99705), (85, 85629), (115, 63291), (219, 33235), (255, 28543), (289, 25185), (345, 21097), (365, 19941), (391, 18615), (867, 8395), (1095, 6647), (1173, 6205), (1241, 5865), (1445, 5037), (1679, 4335), (1955, 3723)]