28351323

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 28096677

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 693, 819, 1001, 1049, 1287, 2079, 2457, 3003, 3147, 3861, 7343, 9009, 9441, 11539, 13637, 22029, 27027, 28323, 34617, 40911, 66087, 80773, 95459, 103851, 122733, 150007, 198261, 242319, 286377, 311553, 368199, 450021, 726957, 859131, 1050049, 1350063, 2180871, 2577393, 3150147, 4050189, 9450441, 28351323]

約数ペア:

[(1, 28351323), (3, 9450441), (7, 4050189), (9, 3150147), (11, 2577393), (13, 2180871), (21, 1350063), (27, 1050049), (33, 859131), (39, 726957), (63, 450021), (77, 368199), (91, 311553), (99, 286377), (117, 242319), (143, 198261), (189, 150007), (231, 122733), (273, 103851), (297, 95459), (351, 80773), (429, 66087), (693, 40911), (819, 34617), (1001, 28323), (1049, 27027), (1287, 22029), (2079, 13637), (2457, 11539), (3003, 9441), (3147, 9009), (3861, 7343)]