30012021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 20307339

約数列:

[1, 3, 9, 13, 17, 39, 51, 79, 117, 153, 191, 221, 237, 573, 663, 711, 1027, 1343, 1719, 1989, 2483, 3081, 3247, 4029, 7449, 9243, 9741, 12087, 15089, 17459, 22347, 29223, 42211, 45267, 52377, 126633, 135801, 157131, 196157, 256513, 379899, 588471, 769539, 1765413, 2308617, 3334669, 10004007, 30012021]

約数ペア:

[(1, 30012021), (3, 10004007), (9, 3334669), (13, 2308617), (17, 1765413), (39, 769539), (51, 588471), (79, 379899), (117, 256513), (153, 196157), (191, 157131), (221, 135801), (237, 126633), (573, 52377), (663, 45267), (711, 42211), (1027, 29223), (1343, 22347), (1719, 17459), (1989, 15089), (2483, 12087), (3081, 9741), (3247, 9243), (4029, 7449)]