28169505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2327

約数の個数: 64

約数和(自身を含む): 61662720

約数和(自身を除く): 33493215

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2293, 2457, 4095, 6879, 11465, 12285, 16051, 20637, 29809, 34395, 48153, 61911, 80255, 89427, 103185, 144459, 149045, 208663, 240765, 268281, 309555, 433377, 447135, 625989, 722295, 804843, 1043315, 1341405, 1877967, 2166885, 3129945, 4024215, 5633901, 9389835, 28169505]

約数ペア:

[(1, 28169505), (3, 9389835), (5, 5633901), (7, 4024215), (9, 3129945), (13, 2166885), (15, 1877967), (21, 1341405), (27, 1043315), (35, 804843), (39, 722295), (45, 625989), (63, 447135), (65, 433377), (91, 309555), (105, 268281), (117, 240765), (135, 208663), (189, 149045), (195, 144459), (273, 103185), (315, 89427), (351, 80255), (455, 61911), (585, 48153), (819, 34395), (945, 29809), (1365, 20637), (1755, 16051), (2293, 12285), (2457, 11465), (4095, 6879)]