156975399

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 277235712

約数和(自身を除く): 120260313

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 103, 119, 153, 309, 357, 721, 927, 1071, 1423, 1751, 2163, 4269, 5253, 6489, 9961, 12257, 12807, 15759, 24191, 29883, 36771, 72573, 89649, 110313, 146569, 169337, 217719, 439707, 508011, 1025983, 1319121, 1524033, 2491673, 3077949, 7475019, 9233847, 17441711, 22425057, 52325133, 156975399]

約数ペア:

[(1, 156975399), (3, 52325133), (7, 22425057), (9, 17441711), (17, 9233847), (21, 7475019), (51, 3077949), (63, 2491673), (103, 1524033), (119, 1319121), (153, 1025983), (309, 508011), (357, 439707), (721, 217719), (927, 169337), (1071, 146569), (1423, 110313), (1751, 89649), (2163, 72573), (4269, 36771), (5253, 29883), (6489, 24191), (9961, 15759), (12257, 12807)]