156978187779

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1\times {\mathrm{214723}}^1$

素因数の和:215887

約数の個数: 32

約数和(自身を含む): 247142170624

約数和(自身を除く): 90163982845

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1123, 3369, 7861, 23583, 34813, 104439, 214723, 243691, 644169, 731073, 1503061, 4509183, 6656413, 19969239, 46594891, 139784673, 241133929, 723401787, 1687937503, 5063812509, 7475151799, 22425455397, 52326062593, 156978187779]

約数ペア:

[(1, 156978187779), (3, 52326062593), (7, 22425455397), (21, 7475151799), (31, 5063812509), (93, 1687937503), (217, 723401787), (651, 241133929), (1123, 139784673), (3369, 46594891), (7861, 19969239), (23583, 6656413), (34813, 4509183), (104439, 1503061), (214723, 731073), (243691, 644169)]