17620245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 33426432

約数和(自身を除く): 15806187

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 743, 765, 1395, 1581, 2229, 2635, 3715, 4743, 6687, 7905, 11145, 12631, 23033, 23715, 33435, 37893, 63155, 69099, 113679, 115165, 189465, 207297, 345495, 391561, 568395, 1036485, 1174683, 1957805, 3524049, 5873415, 17620245]

約数ペア:

[(1, 17620245), (3, 5873415), (5, 3524049), (9, 1957805), (15, 1174683), (17, 1036485), (31, 568395), (45, 391561), (51, 345495), (85, 207297), (93, 189465), (153, 115165), (155, 113679), (255, 69099), (279, 63155), (465, 37893), (527, 33435), (743, 23715), (765, 23033), (1395, 12631), (1581, 11145), (2229, 7905), (2635, 6687), (3715, 4743)]