405280395

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{230929}}^1$

素因数の和:230956

約数の個数: 32

約数和(自身を含む): 775924800

約数和(自身を除く): 370644405

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 230929, 692787, 1154645, 2078361, 3002077, 3463935, 6235083, 9006231, 10391805, 15010385, 27018693, 31175415, 45031155, 81056079, 135093465, 405280395]

約数ペア:

[(1, 405280395), (3, 135093465), (5, 81056079), (9, 45031155), (13, 31175415), (15, 27018693), (27, 15010385), (39, 10391805), (45, 9006231), (65, 6235083), (117, 3463935), (135, 3002077), (195, 2078361), (351, 1154645), (585, 692787), (1755, 230929)]