1778231367

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^2$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 3017557200

約数和(自身を除く): 1239325833

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 121, 137, 261, 297, 319, 363, 411, 783, 957, 1089, 1233, 1507, 2871, 3267, 3509, 3699, 3973, 4521, 8613, 10527, 11919, 13563, 16577, 18769, 31581, 35757, 40689, 43703, 49731, 56307, 94743, 107271, 131109, 149193, 168921, 206459, 393327, 447579, 480733, 506763, 544301, 619377, 1179981, 1442199, 1632903, 1858131, 2271049, 4326597, 4898709, 5574393, 5987311, 6813147, 12979791, 14696127, 17961933, 20439441, 53885799, 61318323, 65860421, 161657397, 197581263, 592743789, 1778231367]

約数ペア:

[(1, 1778231367), (3, 592743789), (9, 197581263), (11, 161657397), (27, 65860421), (29, 61318323), (33, 53885799), (87, 20439441), (99, 17961933), (121, 14696127), (137, 12979791), (261, 6813147), (297, 5987311), (319, 5574393), (363, 4898709), (411, 4326597), (783, 2271049), (957, 1858131), (1089, 1632903), (1233, 1442199), (1507, 1179981), (2871, 619377), (3267, 544301), (3509, 506763), (3699, 480733), (3973, 447579), (4521, 393327), (8613, 206459), (10527, 168921), (11919, 149193), (13563, 131109), (16577, 107271), (18769, 94743), (31581, 56307), (35757, 49731), (40689, 43703)]