390722013

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 631687680

約数和(自身を除く): 240965667

約数列:

[1, 3, 9, 11, 33, 59, 99, 151, 177, 443, 453, 531, 649, 1329, 1359, 1661, 1947, 3987, 4873, 4983, 5841, 8909, 14619, 14949, 26137, 26727, 43857, 66893, 78411, 80181, 97999, 200679, 235233, 287507, 293997, 602037, 735823, 862521, 881991, 2207469, 2587563, 3946687, 6622407, 11840061, 35520183, 43413557, 130240671, 390722013]

約数ペア:

[(1, 390722013), (3, 130240671), (9, 43413557), (11, 35520183), (33, 11840061), (59, 6622407), (99, 3946687), (151, 2587563), (177, 2207469), (443, 881991), (453, 862521), (531, 735823), (649, 602037), (1329, 293997), (1359, 287507), (1661, 235233), (1947, 200679), (3987, 97999), (4873, 80181), (4983, 78411), (5841, 66893), (8909, 43857), (14619, 26727), (14949, 26137)]