1278795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 2465280

約数和(自身を除く): 1186485

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 641, 665, 1923, 1995, 3205, 4487, 9615, 12179, 13461, 22435, 36537, 60895, 67305, 85253, 182685, 255759, 426265, 1278795]

約数ペア:

[(1, 1278795), (3, 426265), (5, 255759), (7, 182685), (15, 85253), (19, 67305), (21, 60895), (35, 36537), (57, 22435), (95, 13461), (105, 12179), (133, 9615), (285, 4487), (399, 3205), (641, 1995), (665, 1923)]