71661375

素因数分解:

$3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 140400000

約数和(自身を除く): 68738625

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 125, 135, 153, 225, 255, 375, 425, 459, 675, 765, 1125, 1249, 1275, 2125, 2295, 3375, 3747, 3825, 6245, 6375, 11241, 11475, 18735, 19125, 21233, 31225, 33723, 56205, 57375, 63699, 93675, 106165, 156125, 168615, 191097, 281025, 318495, 468375, 530825, 573291, 843075, 955485, 1405125, 1592475, 2654125, 2866455, 4215375, 4777425, 7962375, 14332275, 23887125, 71661375]

約数ペア:

[(1, 71661375), (3, 23887125), (5, 14332275), (9, 7962375), (15, 4777425), (17, 4215375), (25, 2866455), (27, 2654125), (45, 1592475), (51, 1405125), (75, 955485), (85, 843075), (125, 573291), (135, 530825), (153, 468375), (225, 318495), (255, 281025), (375, 191097), (425, 168615), (459, 156125), (675, 106165), (765, 93675), (1125, 63699), (1249, 57375), (1275, 56205), (2125, 33723), (2295, 31225), (3375, 21233), (3747, 19125), (3825, 18735), (6245, 11475), (6375, 11241)]