216936897

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 310480128

約数和(自身を除く): 93543231

約数列:

[1, 3, 23, 53, 69, 137, 159, 411, 433, 1219, 1299, 3151, 3657, 7261, 9453, 9959, 21783, 22949, 29877, 59321, 68847, 167003, 177963, 501009, 527827, 1364383, 1583481, 3144013, 4093149, 9432039, 72312299, 216936897]

約数ペア:

[(1, 216936897), (3, 72312299), (23, 9432039), (53, 4093149), (69, 3144013), (137, 1583481), (159, 1364383), (411, 527827), (433, 501009), (1219, 177963), (1299, 167003), (3151, 68847), (3657, 59321), (7261, 29877), (9453, 22949), (9959, 21783)]