197984865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7411}}^1$

素因数の和:7569

約数の個数: 32

約数和(自身を含む): 343679616

約数和(自身を除く): 145694751

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 5343, 7411, 8905, 22233, 26715, 37055, 96343, 111165, 289029, 481715, 1015307, 1445145, 3045921, 5076535, 13198991, 15229605, 39596973, 65994955, 197984865]

約数ペア:

[(1, 197984865), (3, 65994955), (5, 39596973), (13, 15229605), (15, 13198991), (39, 5076535), (65, 3045921), (137, 1445145), (195, 1015307), (411, 481715), (685, 289029), (1781, 111165), (2055, 96343), (5343, 37055), (7411, 26715), (8905, 22233)]