639634563

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 1076275200

約数和(自身を除く): 436640637

約数列:

[1, 3, 9, 19, 27, 31, 41, 57, 81, 93, 109, 123, 171, 243, 279, 327, 369, 513, 589, 779, 837, 981, 1107, 1271, 1539, 1767, 2071, 2337, 2511, 2943, 3321, 3379, 3813, 4469, 4617, 5301, 6213, 7011, 7533, 8829, 9963, 10137, 11439, 13407, 15903, 18639, 21033, 24149, 26487, 30411, 34317, 40221, 47709, 55917, 63099, 64201, 72447, 84911, 91233, 102951, 120663, 138539, 143127, 167751, 189297, 192603, 217341, 254733, 273699, 308853, 361989, 415617, 503253, 577809, 652023, 764199, 821097, 1085967, 1246851, 1733427, 1956069, 2292597, 2632241, 3740553, 5200281, 5868207, 6877791, 7896723, 11221659, 15600843, 20633373, 23690169, 33664977, 71070507, 213211521, 639634563]

約数ペア:

[(1, 639634563), (3, 213211521), (9, 71070507), (19, 33664977), (27, 23690169), (31, 20633373), (41, 15600843), (57, 11221659), (81, 7896723), (93, 6877791), (109, 5868207), (123, 5200281), (171, 3740553), (243, 2632241), (279, 2292597), (327, 1956069), (369, 1733427), (513, 1246851), (589, 1085967), (779, 821097), (837, 764199), (981, 652023), (1107, 577809), (1271, 503253), (1539, 415617), (1767, 361989), (2071, 308853), (2337, 273699), (2511, 254733), (2943, 217341), (3321, 192603), (3379, 189297), (3813, 167751), (4469, 143127), (4617, 138539), (5301, 120663), (6213, 102951), (7011, 91233), (7533, 84911), (8829, 72447), (9963, 64201), (10137, 63099), (11439, 55917), (13407, 47709), (15903, 40221), (18639, 34317), (21033, 30411), (24149, 26487)]