858991725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3163}}^1$

素因数の和:3267

約数の個数: 72

約数和(自身を含む): 1652519232

約数和(自身を除く): 793527507

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 71, 75, 85, 153, 213, 225, 255, 355, 425, 639, 765, 1065, 1207, 1275, 1775, 3163, 3195, 3621, 3825, 5325, 6035, 9489, 10863, 15815, 15975, 18105, 28467, 30175, 47445, 53771, 54315, 79075, 90525, 142335, 161313, 224573, 237225, 268855, 271575, 483939, 673719, 711675, 806565, 1122865, 1344275, 2021157, 2419695, 3368595, 3817741, 4032825, 5614325, 10105785, 11453223, 12098475, 16842975, 19088705, 34359669, 50528925, 57266115, 95443525, 171798345, 286330575, 858991725]

約数ペア:

[(1, 858991725), (3, 286330575), (5, 171798345), (9, 95443525), (15, 57266115), (17, 50528925), (25, 34359669), (45, 19088705), (51, 16842975), (71, 12098475), (75, 11453223), (85, 10105785), (153, 5614325), (213, 4032825), (225, 3817741), (255, 3368595), (355, 2419695), (425, 2021157), (639, 1344275), (765, 1122865), (1065, 806565), (1207, 711675), (1275, 673719), (1775, 483939), (3163, 271575), (3195, 268855), (3621, 237225), (3825, 224573), (5325, 161313), (6035, 142335), (9489, 90525), (10863, 79075), (15815, 54315), (15975, 53771), (18105, 47445), (28467, 30175)]