8019921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 13628160

約数和(自身を除く): 5608239

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1013, 1131, 2639, 3039, 7091, 7917, 13169, 21273, 29377, 39507, 88131, 92183, 205639, 276549, 381901, 616917, 1145703, 2673307, 8019921]

約数ペア:

[(1, 8019921), (3, 2673307), (7, 1145703), (13, 616917), (21, 381901), (29, 276549), (39, 205639), (87, 92183), (91, 88131), (203, 39507), (273, 29377), (377, 21273), (609, 13169), (1013, 7917), (1131, 7091), (2639, 3039)]