207621171

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 326198880

約数和(自身を除く): 118577709

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 137, 333, 369, 411, 999, 1107, 1233, 1369, 1517, 3699, 4107, 4551, 5069, 5617, 12321, 13653, 15207, 16851, 36963, 40959, 45621, 50553, 56129, 136863, 151659, 168387, 187553, 207829, 505161, 562659, 623487, 1515483, 1687977, 1870461, 5063931, 5611383, 7689673, 23069019, 69207057, 207621171]

約数ペア:

[(1, 207621171), (3, 69207057), (9, 23069019), (27, 7689673), (37, 5611383), (41, 5063931), (111, 1870461), (123, 1687977), (137, 1515483), (333, 623487), (369, 562659), (411, 505161), (999, 207829), (1107, 187553), (1233, 168387), (1369, 151659), (1517, 136863), (3699, 56129), (4107, 50553), (4551, 45621), (5069, 40959), (5617, 36963), (12321, 16851), (13653, 15207)]