30389751

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:660

約数の個数: 36

約数和(自身を含む): 51538032

約数和(自身を除く): 21148281

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 411, 441, 503, 959, 1233, 1509, 2877, 3521, 4527, 6713, 8631, 10563, 20139, 24647, 31689, 60417, 68911, 73941, 206733, 221823, 482377, 620199, 1447131, 3376639, 4341393, 10129917, 30389751]

約数ペア:

[(1, 30389751), (3, 10129917), (7, 4341393), (9, 3376639), (21, 1447131), (49, 620199), (63, 482377), (137, 221823), (147, 206733), (411, 73941), (441, 68911), (503, 60417), (959, 31689), (1233, 24647), (1509, 20139), (2877, 10563), (3521, 8631), (4527, 6713)]