56478897

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 85680000

約数和(自身を除く): 29201103

約数列:

[1, 3, 9, 27, 101, 139, 149, 303, 417, 447, 909, 1251, 1341, 2727, 3753, 4023, 14039, 15049, 20711, 42117, 45147, 62133, 126351, 135441, 186399, 379053, 406323, 559197, 2091811, 6275433, 18826299, 56478897]

約数ペア:

[(1, 56478897), (3, 18826299), (9, 6275433), (27, 2091811), (101, 559197), (139, 406323), (149, 379053), (303, 186399), (417, 135441), (447, 126351), (909, 62133), (1251, 45147), (1341, 42117), (2727, 20711), (3753, 15049), (4023, 14039)]