407405505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109961}}^1$

素因数の和:110001

約数の個数: 32

約数和(自身を含む): 738944640

約数和(自身を除く): 331539135

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 109961, 329883, 549805, 1429493, 1649415, 2089259, 4288479, 6267777, 7147465, 10446295, 21442395, 27160367, 31338885, 81481101, 135801835, 407405505]

約数ペア:

[(1, 407405505), (3, 135801835), (5, 81481101), (13, 31338885), (15, 27160367), (19, 21442395), (39, 10446295), (57, 7147465), (65, 6267777), (95, 4288479), (195, 2089259), (247, 1649415), (285, 1429493), (741, 549805), (1235, 329883), (3705, 109961)]