1290911805

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 2268414720

約数和(自身を除く): 977502915

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 431, 505, 659, 909, 1293, 1515, 1977, 2155, 3295, 3879, 4545, 5931, 6465, 9885, 19395, 29655, 43531, 66559, 130593, 199677, 217655, 284029, 332795, 391779, 599031, 652965, 852087, 998385, 1420145, 1958895, 2556261, 2995155, 4260435, 12781305, 28686929, 86060787, 143434645, 258182361, 430303935, 1290911805]

約数ペア:

[(1, 1290911805), (3, 430303935), (5, 258182361), (9, 143434645), (15, 86060787), (45, 28686929), (101, 12781305), (303, 4260435), (431, 2995155), (505, 2556261), (659, 1958895), (909, 1420145), (1293, 998385), (1515, 852087), (1977, 652965), (2155, 599031), (3295, 391779), (3879, 332795), (4545, 284029), (5931, 217655), (6465, 199677), (9885, 130593), (19395, 66559), (29655, 43531)]