1998281607

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3607}}^1$

素因数の和:3708

約数の個数: 64

約数和(自身を含む): 3369467904

約数和(自身を除く): 1371186297

約数列:

[1, 3, 7, 21, 23, 31, 37, 69, 93, 111, 161, 217, 259, 483, 651, 713, 777, 851, 1147, 2139, 2553, 3441, 3607, 4991, 5957, 8029, 10821, 14973, 17871, 24087, 25249, 26381, 75747, 79143, 82961, 111817, 133459, 184667, 248883, 335451, 400377, 554001, 580727, 782719, 934213, 1742181, 2348157, 2571791, 2802639, 3069557, 4137229, 7715373, 9208671, 12411687, 18002537, 21486899, 28960603, 54007611, 64460697, 86881809, 95156267, 285468801, 666093869, 1998281607]

約数ペア:

[(1, 1998281607), (3, 666093869), (7, 285468801), (21, 95156267), (23, 86881809), (31, 64460697), (37, 54007611), (69, 28960603), (93, 21486899), (111, 18002537), (161, 12411687), (217, 9208671), (259, 7715373), (483, 4137229), (651, 3069557), (713, 2802639), (777, 2571791), (851, 2348157), (1147, 1742181), (2139, 934213), (2553, 782719), (3441, 580727), (3607, 554001), (4991, 400377), (5957, 335451), (8029, 248883), (10821, 184667), (14973, 133459), (17871, 111817), (24087, 82961), (25249, 79143), (26381, 75747)]