201840405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{60887}}^1$

素因数の和:60925

約数の個数: 32

約数和(自身を含む): 368250624

約数和(自身を除く): 166410219

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 60887, 182661, 304435, 791531, 913305, 1035079, 2374593, 3105237, 3957655, 5175395, 11872965, 13456027, 15526185, 40368081, 67280135, 201840405]

約数ペア:

[(1, 201840405), (3, 67280135), (5, 40368081), (13, 15526185), (15, 13456027), (17, 11872965), (39, 5175395), (51, 3957655), (65, 3105237), (85, 2374593), (195, 1035079), (221, 913305), (255, 791531), (663, 304435), (1105, 182661), (3315, 60887)]