81001515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1973}}^1$

素因数の和:2028

約数の個数: 64

約数和(自身を含む): 163731456

約数和(自身を除く): 82729941

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 69, 85, 105, 115, 119, 161, 255, 345, 357, 391, 483, 595, 805, 1173, 1785, 1955, 1973, 2415, 2737, 5865, 5919, 8211, 9865, 13685, 13811, 29595, 33541, 41055, 41433, 45379, 69055, 100623, 136137, 167705, 207165, 226895, 234787, 317653, 503115, 680685, 704361, 771443, 952959, 1173935, 1588265, 2314329, 3521805, 3857215, 4764795, 5400101, 11571645, 16200303, 27000505, 81001515]

約数ペア:

[(1, 81001515), (3, 27000505), (5, 16200303), (7, 11571645), (15, 5400101), (17, 4764795), (21, 3857215), (23, 3521805), (35, 2314329), (51, 1588265), (69, 1173935), (85, 952959), (105, 771443), (115, 704361), (119, 680685), (161, 503115), (255, 317653), (345, 234787), (357, 226895), (391, 207165), (483, 167705), (595, 136137), (805, 100623), (1173, 69055), (1785, 45379), (1955, 41433), (1973, 41055), (2415, 33541), (2737, 29595), (5865, 13811), (5919, 13685), (8211, 9865)]