16225209

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1838

約数の個数: 48

約数和(自身を含む): 31484544

約数和(自身を除く): 15259335

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 1801, 3003, 5403, 9009, 12607, 16209, 19811, 23413, 37821, 59433, 70239, 113463, 138677, 163891, 178299, 210717, 257543, 416031, 491673, 772629, 1248093, 1475019, 1802801, 2317887, 5408403, 16225209]

約数ペア:

[(1, 16225209), (3, 5408403), (7, 2317887), (9, 1802801), (11, 1475019), (13, 1248093), (21, 772629), (33, 491673), (39, 416031), (63, 257543), (77, 210717), (91, 178299), (99, 163891), (117, 138677), (143, 113463), (231, 70239), (273, 59433), (429, 37821), (693, 23413), (819, 19811), (1001, 16209), (1287, 12607), (1801, 9009), (3003, 5403)]