31396905

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 56730960

約数和(自身を除く): 25334055

約数列:

[1, 3, 5, 9, 15, 37, 45, 109, 111, 173, 185, 327, 333, 519, 545, 555, 865, 981, 1557, 1635, 1665, 2595, 4033, 4905, 6401, 7785, 12099, 18857, 19203, 20165, 32005, 36297, 56571, 57609, 60495, 94285, 96015, 169713, 181485, 282855, 288045, 697709, 848565, 2093127, 3488545, 6279381, 10465635, 31396905]

約数ペア:

[(1, 31396905), (3, 10465635), (5, 6279381), (9, 3488545), (15, 2093127), (37, 848565), (45, 697709), (109, 288045), (111, 282855), (173, 181485), (185, 169713), (327, 96015), (333, 94285), (519, 60495), (545, 57609), (555, 56571), (865, 36297), (981, 32005), (1557, 20165), (1635, 19203), (1665, 18857), (2595, 12099), (4033, 7785), (4905, 6401)]