72686691

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 133436160

約数和(自身を除く): 60749469

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 477, 583, 693, 1113, 1749, 1979, 3339, 4081, 5247, 5937, 12243, 13853, 17811, 21769, 36729, 41559, 65307, 104887, 124677, 152383, 195921, 314661, 457149, 734209, 943983, 1153757, 1371447, 2202627, 3461271, 6607881, 8076299, 10383813, 24228897, 72686691]

約数ペア:

[(1, 72686691), (3, 24228897), (7, 10383813), (9, 8076299), (11, 6607881), (21, 3461271), (33, 2202627), (53, 1371447), (63, 1153757), (77, 943983), (99, 734209), (159, 457149), (231, 314661), (371, 195921), (477, 152383), (583, 124677), (693, 104887), (1113, 65307), (1749, 41559), (1979, 36729), (3339, 21769), (4081, 17811), (5247, 13853), (5937, 12243)]