81588969

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 151875360

約数和(自身を除く): 70286391

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 139, 147, 231, 363, 417, 441, 539, 693, 847, 973, 1089, 1251, 1331, 1529, 1617, 2541, 2919, 3993, 4587, 4851, 5929, 6811, 7623, 8757, 9317, 10703, 11979, 13761, 16819, 17787, 20433, 27951, 32109, 50457, 53361, 61299, 65219, 74921, 83853, 96327, 117733, 151371, 185009, 195657, 224763, 353199, 555027, 586971, 674289, 824131, 1059597, 1295063, 1665081, 2472393, 3885189, 7417179, 9065441, 11655567, 27196323, 81588969]

約数ペア:

[(1, 81588969), (3, 27196323), (7, 11655567), (9, 9065441), (11, 7417179), (21, 3885189), (33, 2472393), (49, 1665081), (63, 1295063), (77, 1059597), (99, 824131), (121, 674289), (139, 586971), (147, 555027), (231, 353199), (363, 224763), (417, 195657), (441, 185009), (539, 151371), (693, 117733), (847, 96327), (973, 83853), (1089, 74921), (1251, 65219), (1331, 61299), (1529, 53361), (1617, 50457), (2541, 32109), (2919, 27951), (3993, 20433), (4587, 17787), (4851, 16819), (5929, 13761), (6811, 11979), (7623, 10703), (8757, 9317)]