1945978695

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{20681}}^1$

素因数の和:20753

約数の個数: 64

約数和(自身を含む): 3752542080

約数和(自身を除く): 1806563385

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 85, 123, 135, 153, 205, 255, 369, 459, 615, 697, 765, 1107, 1845, 2091, 2295, 3485, 5535, 6273, 10455, 18819, 20681, 31365, 62043, 94095, 103405, 186129, 310215, 351577, 558387, 847921, 930645, 1054731, 1757885, 2543763, 2791935, 3164193, 4239605, 5273655, 7631289, 9492579, 12718815, 14414657, 15820965, 22893867, 38156445, 43243971, 47462895, 72073285, 114469335, 129731913, 216219855, 389195739, 648659565, 1945978695]

約数ペア:

[(1, 1945978695), (3, 648659565), (5, 389195739), (9, 216219855), (15, 129731913), (17, 114469335), (27, 72073285), (41, 47462895), (45, 43243971), (51, 38156445), (85, 22893867), (123, 15820965), (135, 14414657), (153, 12718815), (205, 9492579), (255, 7631289), (369, 5273655), (459, 4239605), (615, 3164193), (697, 2791935), (765, 2543763), (1107, 1757885), (1845, 1054731), (2091, 930645), (2295, 847921), (3485, 558387), (5535, 351577), (6273, 310215), (10455, 186129), (18819, 103405), (20681, 94095), (31365, 62043)]