215683641

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 345945600

約数和(自身を除く): 130261959

約数列:

[1, 3, 9, 17, 27, 51, 81, 109, 153, 243, 327, 459, 479, 981, 1377, 1437, 1853, 2943, 4131, 4311, 5559, 8143, 8829, 12933, 16677, 24429, 26487, 38799, 50031, 52211, 73287, 116397, 150093, 156633, 219861, 450279, 469899, 659583, 887587, 1409697, 1978749, 2662761, 4229091, 7988283, 12687273, 23964849, 71894547, 215683641]

約数ペア:

[(1, 215683641), (3, 71894547), (9, 23964849), (17, 12687273), (27, 7988283), (51, 4229091), (81, 2662761), (109, 1978749), (153, 1409697), (243, 887587), (327, 659583), (459, 469899), (479, 450279), (981, 219861), (1377, 156633), (1437, 150093), (1853, 116397), (2943, 73287), (4131, 52211), (4311, 50031), (5559, 38799), (8143, 26487), (8829, 24429), (12933, 16677)]