1280147121

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 2058376320

約数和(自身を除く): 778229199

約数列:

[1, 3, 9, 11, 33, 97, 99, 109, 291, 327, 873, 981, 1067, 1199, 1223, 3201, 3597, 3669, 9603, 10573, 10791, 11007, 13453, 31719, 40359, 95157, 116303, 118631, 121077, 133307, 348909, 355893, 399921, 1046727, 1067679, 1199763, 1304941, 1466377, 3914823, 4399131, 11744469, 12930779, 13197393, 38792337, 116377011, 142238569, 426715707, 1280147121]

約数ペア:

[(1, 1280147121), (3, 426715707), (9, 142238569), (11, 116377011), (33, 38792337), (97, 13197393), (99, 12930779), (109, 11744469), (291, 4399131), (327, 3914823), (873, 1466377), (981, 1304941), (1067, 1199763), (1199, 1067679), (1223, 1046727), (3201, 399921), (3597, 355893), (3669, 348909), (9603, 133307), (10573, 121077), (10791, 118631), (11007, 116303), (13453, 95157), (31719, 40359)]