80821125

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 186900480

約数和(自身を除く): 106079355

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 99, 105, 125, 135, 165, 175, 189, 225, 231, 275, 297, 311, 315, 375, 385, 495, 525, 675, 693, 825, 875, 933, 945, 1125, 1155, 1375, 1485, 1555, 1575, 1925, 2079, 2177, 2475, 2625, 2799, 3375, 3421, 3465, 4125, 4665, 4725, 5775, 6531, 7425, 7775, 7875, 8397, 9625, 10263, 10395, 10885, 12375, 13995, 17105, 17325, 19593, 23325, 23625, 23947, 28875, 30789, 32655, 37125, 38875, 41985, 51315, 51975, 54425, 58779, 69975, 71841, 85525, 86625, 92367, 97965, 116625, 119735, 153945, 163275, 209925, 215523, 256575, 259875, 272125, 293895, 349875, 359205, 427625, 461835, 489825, 598675, 646569, 769725, 816375, 1049625, 1077615, 1282875, 1469475, 1796025, 2309175, 2449125, 2993375, 3232845, 3848625, 5388075, 7347375, 8980125, 11545875, 16164225, 26940375, 80821125]

約数ペア:

[(1, 80821125), (3, 26940375), (5, 16164225), (7, 11545875), (9, 8980125), (11, 7347375), (15, 5388075), (21, 3848625), (25, 3232845), (27, 2993375), (33, 2449125), (35, 2309175), (45, 1796025), (55, 1469475), (63, 1282875), (75, 1077615), (77, 1049625), (99, 816375), (105, 769725), (125, 646569), (135, 598675), (165, 489825), (175, 461835), (189, 427625), (225, 359205), (231, 349875), (275, 293895), (297, 272125), (311, 259875), (315, 256575), (375, 215523), (385, 209925), (495, 163275), (525, 153945), (675, 119735), (693, 116625), (825, 97965), (875, 92367), (933, 86625), (945, 85525), (1125, 71841), (1155, 69975), (1375, 58779), (1485, 54425), (1555, 51975), (1575, 51315), (1925, 41985), (2079, 38875), (2177, 37125), (2475, 32655), (2625, 30789), (2799, 28875), (3375, 23947), (3421, 23625), (3465, 23325), (4125, 19593), (4665, 17325), (4725, 17105), (5775, 13995), (6531, 12375), (7425, 10885), (7775, 10395), (7875, 10263), (8397, 9625)]