87218901

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 158466048

約数和(自身を除く): 71247147

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 127, 231, 381, 693, 889, 991, 1143, 1397, 2667, 2973, 4191, 6937, 8001, 8919, 9779, 10901, 12573, 20811, 29337, 32703, 62433, 76307, 88011, 98109, 125857, 228921, 377571, 686763, 880999, 1132713, 1384427, 2642997, 4153281, 7928991, 9690989, 12459843, 29072967, 87218901]

約数ペア:

[(1, 87218901), (3, 29072967), (7, 12459843), (9, 9690989), (11, 7928991), (21, 4153281), (33, 2642997), (63, 1384427), (77, 1132713), (99, 880999), (127, 686763), (231, 377571), (381, 228921), (693, 125857), (889, 98109), (991, 88011), (1143, 76307), (1397, 62433), (2667, 32703), (2973, 29337), (4191, 20811), (6937, 12573), (8001, 10901), (8919, 9779)]