201990510561

素因数分解:

$3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1\times {\mathrm{61403}}^1$

素因数の和:62205

約数の個数: 32

約数和(自身を含む): 309358264320

約数和(自身を除く): 107367753759

約数列:

[1, 3, 7, 21, 383, 409, 1149, 1227, 2681, 2863, 8043, 8589, 61403, 156647, 184209, 429821, 469941, 1096529, 1289463, 3289587, 23517349, 25113827, 70552047, 75341481, 164621443, 175796789, 493864329, 527390367, 9618595741, 28855787223, 67330170187, 201990510561]

約数ペア:

[(1, 201990510561), (3, 67330170187), (7, 28855787223), (21, 9618595741), (383, 527390367), (409, 493864329), (1149, 175796789), (1227, 164621443), (2681, 75341481), (2863, 70552047), (8043, 25113827), (8589, 23517349), (61403, 3289587), (156647, 1289463), (184209, 1096529), (429821, 469941)]