19207125

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{271}}^1$

素因数の和:305

約数の個数: 80

約数和(自身を含む): 41074176

約数和(自身を除く): 21867051

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 125, 135, 175, 189, 225, 271, 315, 375, 405, 525, 567, 675, 813, 875, 945, 1125, 1355, 1575, 1897, 2025, 2439, 2625, 2835, 3375, 4065, 4725, 5691, 6775, 7317, 7875, 9485, 10125, 12195, 14175, 17073, 20325, 21951, 23625, 28455, 33875, 36585, 47425, 51219, 60975, 70875, 85365, 101625, 109755, 142275, 153657, 182925, 237125, 256095, 304875, 426825, 548775, 711375, 768285, 914625, 1280475, 2134125, 2743875, 3841425, 6402375, 19207125]

約数ペア:

[(1, 19207125), (3, 6402375), (5, 3841425), (7, 2743875), (9, 2134125), (15, 1280475), (21, 914625), (25, 768285), (27, 711375), (35, 548775), (45, 426825), (63, 304875), (75, 256095), (81, 237125), (105, 182925), (125, 153657), (135, 142275), (175, 109755), (189, 101625), (225, 85365), (271, 70875), (315, 60975), (375, 51219), (405, 47425), (525, 36585), (567, 33875), (675, 28455), (813, 23625), (875, 21951), (945, 20325), (1125, 17073), (1355, 14175), (1575, 12195), (1897, 10125), (2025, 9485), (2439, 7875), (2625, 7317), (2835, 6775), (3375, 5691), (4065, 4725)]