55139349

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 81607680

約数和(自身を除く): 26468331

約数列:

[1, 3, 19, 23, 57, 69, 137, 307, 411, 437, 921, 1311, 2603, 3151, 5833, 7061, 7809, 9453, 17499, 21183, 42059, 59869, 126177, 134159, 179607, 402477, 799121, 967357, 2397363, 2902071, 18379783, 55139349]

約数ペア:

[(1, 55139349), (3, 18379783), (19, 2902071), (23, 2397363), (57, 967357), (69, 799121), (137, 402477), (307, 179607), (411, 134159), (437, 126177), (921, 59869), (1311, 42059), (2603, 21183), (3151, 17499), (5833, 9453), (7061, 7809)]