649058949

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2095

約数の個数: 72

約数和(自身を含む): 1208102688

約数和(自身を除く): 559043739

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 67, 77, 99, 147, 201, 231, 441, 469, 539, 603, 693, 737, 1407, 1617, 1997, 2211, 3283, 4221, 4851, 5159, 5991, 6633, 9849, 13979, 15477, 17973, 21967, 29547, 36113, 41937, 46431, 65901, 97853, 108339, 125811, 133799, 153769, 197703, 293559, 325017, 401397, 461307, 880677, 936593, 1076383, 1204191, 1383921, 1471789, 2809779, 3229149, 4415367, 6556151, 8429337, 9687447, 10302523, 13246101, 19668453, 30907569, 59005359, 72117661, 92722707, 216352983, 649058949]

約数ペア:

[(1, 649058949), (3, 216352983), (7, 92722707), (9, 72117661), (11, 59005359), (21, 30907569), (33, 19668453), (49, 13246101), (63, 10302523), (67, 9687447), (77, 8429337), (99, 6556151), (147, 4415367), (201, 3229149), (231, 2809779), (441, 1471789), (469, 1383921), (539, 1204191), (603, 1076383), (693, 936593), (737, 880677), (1407, 461307), (1617, 401397), (1997, 325017), (2211, 293559), (3283, 197703), (4221, 153769), (4851, 133799), (5159, 125811), (5991, 108339), (6633, 97853), (9849, 65901), (13979, 46431), (15477, 41937), (17973, 36113), (21967, 29547)]