217372275

素因数分解:

$3^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1283}}^1$

素因数の和:1553

約数の個数: 48

約数和(自身を含む): 401224320

約数和(自身を除く): 183852045

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 251, 675, 753, 1255, 1283, 2259, 3765, 3849, 6275, 6415, 6777, 11295, 11547, 18825, 19245, 32075, 33885, 34641, 56475, 57735, 96225, 169425, 173205, 288675, 322033, 866025, 966099, 1610165, 2898297, 4830495, 8050825, 8694891, 14491485, 24152475, 43474455, 72457425, 217372275]

約数ペア:

[(1, 217372275), (3, 72457425), (5, 43474455), (9, 24152475), (15, 14491485), (25, 8694891), (27, 8050825), (45, 4830495), (75, 2898297), (135, 1610165), (225, 966099), (251, 866025), (675, 322033), (753, 288675), (1255, 173205), (1283, 169425), (2259, 96225), (3765, 57735), (3849, 56475), (6275, 34641), (6415, 33885), (6777, 32075), (11295, 19245), (11547, 18825)]