12920316339

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 20429291520

約数和(自身を除く): 7508975181

約数列:

[1, 3, 7, 21, 43, 129, 131, 239, 301, 393, 457, 717, 903, 917, 1371, 1673, 2751, 3199, 5019, 5633, 9597, 10277, 16899, 19651, 30831, 31309, 39431, 58953, 59867, 71939, 93927, 109223, 118293, 137557, 179601, 215817, 219163, 327669, 412671, 419069, 657489, 764561, 1257207, 1346287, 2293683, 2574281, 4038861, 4696589, 7722843, 9424009, 14089767, 14308213, 18019967, 28272027, 32876123, 42924639, 54059901, 98628369, 100157491, 300472473, 615253159, 1845759477, 4306772113, 12920316339]

約数ペア:

[(1, 12920316339), (3, 4306772113), (7, 1845759477), (21, 615253159), (43, 300472473), (129, 100157491), (131, 98628369), (239, 54059901), (301, 42924639), (393, 32876123), (457, 28272027), (717, 18019967), (903, 14308213), (917, 14089767), (1371, 9424009), (1673, 7722843), (2751, 4696589), (3199, 4038861), (5019, 2574281), (5633, 2293683), (9597, 1346287), (10277, 1257207), (16899, 764561), (19651, 657489), (30831, 419069), (31309, 412671), (39431, 327669), (58953, 219163), (59867, 215817), (71939, 179601), (93927, 137557), (109223, 118293)]