7216209

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 14636160

約数和(自身を除く): 7419951

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 89, 91, 99, 117, 143, 189, 231, 267, 273, 297, 351, 429, 567, 623, 693, 801, 819, 891, 979, 1001, 1053, 1157, 1287, 1869, 2079, 2403, 2457, 2937, 3003, 3471, 3861, 5607, 6237, 6853, 7209, 7371, 8099, 8811, 9009, 10413, 11583, 12727, 16821, 20559, 24297, 26433, 27027, 31239, 38181, 50463, 61677, 72891, 79299, 81081, 89089, 93717, 114543, 185031, 218673, 267267, 343629, 555093, 656019, 801801, 1030887, 2405403, 7216209]

約数ペア:

[(1, 7216209), (3, 2405403), (7, 1030887), (9, 801801), (11, 656019), (13, 555093), (21, 343629), (27, 267267), (33, 218673), (39, 185031), (63, 114543), (77, 93717), (81, 89089), (89, 81081), (91, 79299), (99, 72891), (117, 61677), (143, 50463), (189, 38181), (231, 31239), (267, 27027), (273, 26433), (297, 24297), (351, 20559), (429, 16821), (567, 12727), (623, 11583), (693, 10413), (801, 9009), (819, 8811), (891, 8099), (979, 7371), (1001, 7209), (1053, 6853), (1157, 6237), (1287, 5607), (1869, 3861), (2079, 3471), (2403, 3003), (2457, 2937)]