78432543

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 144967680

約数和(自身を除く): 66535137

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 79, 81, 103, 119, 153, 189, 237, 309, 357, 459, 553, 567, 711, 721, 927, 1071, 1343, 1377, 1659, 1751, 2133, 2163, 2781, 3213, 4029, 4977, 5253, 6399, 6489, 8137, 8343, 9401, 9639, 12087, 12257, 14931, 15759, 19467, 24411, 28203, 36261, 36771, 44793, 47277, 56959, 58401, 73233, 84609, 108783, 110313, 138329, 141831, 170877, 219699, 253827, 330939, 414987, 512631, 659097, 761481, 968303, 992817, 1244961, 1537893, 2904909, 3734883, 4613679, 8714727, 11204649, 26144181, 78432543]

約数ペア:

[(1, 78432543), (3, 26144181), (7, 11204649), (9, 8714727), (17, 4613679), (21, 3734883), (27, 2904909), (51, 1537893), (63, 1244961), (79, 992817), (81, 968303), (103, 761481), (119, 659097), (153, 512631), (189, 414987), (237, 330939), (309, 253827), (357, 219699), (459, 170877), (553, 141831), (567, 138329), (711, 110313), (721, 108783), (927, 84609), (1071, 73233), (1343, 58401), (1377, 56959), (1659, 47277), (1751, 44793), (2133, 36771), (2163, 36261), (2781, 28203), (3213, 24411), (4029, 19467), (4977, 15759), (5253, 14931), (6399, 12257), (6489, 12087), (8137, 9639), (8343, 9401)]