72868257

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^4\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 133993600

約数和(自身を除く): 61125343

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 79, 99, 121, 231, 237, 363, 553, 693, 711, 847, 869, 1089, 1331, 1659, 2541, 2607, 3993, 4977, 6083, 7623, 7821, 9317, 9559, 11979, 14641, 18249, 27951, 28677, 43923, 54747, 66913, 83853, 86031, 102487, 105149, 131769, 200739, 307461, 315447, 602217, 736043, 922383, 946341, 1156639, 2208129, 3469917, 6624387, 8096473, 10409751, 24289419, 72868257]

約数ペア:

[(1, 72868257), (3, 24289419), (7, 10409751), (9, 8096473), (11, 6624387), (21, 3469917), (33, 2208129), (63, 1156639), (77, 946341), (79, 922383), (99, 736043), (121, 602217), (231, 315447), (237, 307461), (363, 200739), (553, 131769), (693, 105149), (711, 102487), (847, 86031), (869, 83853), (1089, 66913), (1331, 54747), (1659, 43923), (2541, 28677), (2607, 27951), (3993, 18249), (4977, 14641), (6083, 11979), (7623, 9559), (7821, 9317)]