27940365

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 50542128

約数和(自身を除く): 22601763

約数列:

[1, 3, 5, 9, 15, 37, 45, 97, 111, 173, 185, 291, 333, 485, 519, 555, 865, 873, 1455, 1557, 1665, 2595, 3589, 4365, 6401, 7785, 10767, 16781, 17945, 19203, 32005, 32301, 50343, 53835, 57609, 83905, 96015, 151029, 161505, 251715, 288045, 620897, 755145, 1862691, 3104485, 5588073, 9313455, 27940365]

約数ペア:

[(1, 27940365), (3, 9313455), (5, 5588073), (9, 3104485), (15, 1862691), (37, 755145), (45, 620897), (97, 288045), (111, 251715), (173, 161505), (185, 151029), (291, 96015), (333, 83905), (485, 57609), (519, 53835), (555, 50343), (865, 32301), (873, 32005), (1455, 19203), (1557, 17945), (1665, 16781), (2595, 10767), (3589, 7785), (4365, 6401)]