649338921

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40739}}^1$

素因数の和:40786

約数の個数: 48

約数和(自身を含む): 1220244480

約数和(自身を除く): 570905559

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 2277, 5313, 15939, 40739, 122217, 285173, 366651, 448129, 855519, 936997, 1344387, 2566557, 2810991, 3136903, 4033161, 6558979, 8432973, 9410709, 10306967, 19676937, 28232127, 30920901, 59030811, 72148769, 92762703, 216446307, 649338921]

約数ペア:

[(1, 649338921), (3, 216446307), (7, 92762703), (9, 72148769), (11, 59030811), (21, 30920901), (23, 28232127), (33, 19676937), (63, 10306967), (69, 9410709), (77, 8432973), (99, 6558979), (161, 4033161), (207, 3136903), (231, 2810991), (253, 2566557), (483, 1344387), (693, 936997), (759, 855519), (1449, 448129), (1771, 366651), (2277, 285173), (5313, 122217), (15939, 40739)]