81392175

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 163114560

約数和(自身を除く): 81722385

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 41, 45, 51, 75, 85, 123, 135, 153, 173, 205, 225, 255, 369, 425, 459, 519, 615, 675, 697, 765, 865, 1025, 1107, 1275, 1557, 1845, 2091, 2295, 2595, 2941, 3075, 3485, 3825, 4325, 4671, 5535, 6273, 7093, 7785, 8823, 9225, 10455, 11475, 12975, 14705, 17425, 18819, 21279, 23355, 26469, 27675, 31365, 35465, 38925, 44115, 52275, 63837, 73525, 79407, 94095, 106395, 116775, 120581, 132345, 156825, 177325, 191511, 220575, 319185, 361743, 397035, 470475, 531975, 602905, 661725, 957555, 1085229, 1595925, 1808715, 1985175, 3014525, 3255687, 4787775, 5426145, 9043575, 16278435, 27130725, 81392175]

約数ペア:

[(1, 81392175), (3, 27130725), (5, 16278435), (9, 9043575), (15, 5426145), (17, 4787775), (25, 3255687), (27, 3014525), (41, 1985175), (45, 1808715), (51, 1595925), (75, 1085229), (85, 957555), (123, 661725), (135, 602905), (153, 531975), (173, 470475), (205, 397035), (225, 361743), (255, 319185), (369, 220575), (425, 191511), (459, 177325), (519, 156825), (615, 132345), (675, 120581), (697, 116775), (765, 106395), (865, 94095), (1025, 79407), (1107, 73525), (1275, 63837), (1557, 52275), (1845, 44115), (2091, 38925), (2295, 35465), (2595, 31365), (2941, 27675), (3075, 26469), (3485, 23355), (3825, 21279), (4325, 18819), (4671, 17425), (5535, 14705), (6273, 12975), (7093, 11475), (7785, 10455), (8823, 9225)]