42051285

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 80559360

約数和(自身を除く): 38508075

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 85, 135, 153, 219, 251, 255, 365, 459, 657, 753, 765, 1095, 1241, 1255, 1971, 2259, 2295, 3285, 3723, 3765, 4267, 6205, 6777, 9855, 11169, 11295, 12801, 18323, 18615, 21335, 33507, 33885, 38403, 54969, 55845, 64005, 91615, 115209, 164907, 167535, 192015, 274845, 311491, 494721, 576045, 824535, 934473, 1557455, 2473605, 2803419, 4672365, 8410257, 14017095, 42051285]

約数ペア:

[(1, 42051285), (3, 14017095), (5, 8410257), (9, 4672365), (15, 2803419), (17, 2473605), (27, 1557455), (45, 934473), (51, 824535), (73, 576045), (85, 494721), (135, 311491), (153, 274845), (219, 192015), (251, 167535), (255, 164907), (365, 115209), (459, 91615), (657, 64005), (753, 55845), (765, 54969), (1095, 38403), (1241, 33885), (1255, 33507), (1971, 21335), (2259, 18615), (2295, 18323), (3285, 12801), (3723, 11295), (3765, 11169), (4267, 9855), (6205, 6777)]