197205645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20674

約数の個数: 48

約数和(自身を含む): 395297280

約数和(自身を除く): 198091635

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 9555, 20639, 61917, 103195, 144473, 268307, 309585, 433419, 722365, 804921, 1011311, 1341535, 1878149, 2167095, 3033933, 4024605, 5056555, 5634447, 9390745, 13147043, 15169665, 28172235, 39441129, 65735215, 197205645]

約数ペア:

[(1, 197205645), (3, 65735215), (5, 39441129), (7, 28172235), (13, 15169665), (15, 13147043), (21, 9390745), (35, 5634447), (39, 5056555), (49, 4024605), (65, 3033933), (91, 2167095), (105, 1878149), (147, 1341535), (195, 1011311), (245, 804921), (273, 722365), (455, 433419), (637, 309585), (735, 268307), (1365, 144473), (1911, 103195), (3185, 61917), (9555, 20639)]