1278343215

素因数分解:

$3^4\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{2309}}^1$

素因数の和:3693

約数の個数: 40

約数和(自身を含む): 2294218080

約数和(自身を除く): 1015874865

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1367, 2309, 4101, 6835, 6927, 11545, 12303, 20505, 20781, 34635, 36909, 61515, 62343, 103905, 110727, 184545, 187029, 311715, 553635, 935145, 3156403, 9469209, 15782015, 28407627, 47346045, 85222881, 142038135, 255668643, 426114405, 1278343215]

約数ペア:

[(1, 1278343215), (3, 426114405), (5, 255668643), (9, 142038135), (15, 85222881), (27, 47346045), (45, 28407627), (81, 15782015), (135, 9469209), (405, 3156403), (1367, 935145), (2309, 553635), (4101, 311715), (6835, 187029), (6927, 184545), (11545, 110727), (12303, 103905), (20505, 62343), (20781, 61515), (34635, 36909)]