28940625

素因数分解:

$3^3\times 5^5\times 7^3$

素因数の和:55

約数の個数: 96

約数和(自身を含む): 62496000

約数和(自身を除く): 33555375

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 125, 135, 147, 175, 189, 225, 245, 315, 343, 375, 441, 525, 625, 675, 735, 875, 945, 1029, 1125, 1225, 1323, 1575, 1715, 1875, 2205, 2625, 3087, 3125, 3375, 3675, 4375, 4725, 5145, 5625, 6125, 6615, 7875, 8575, 9261, 9375, 11025, 13125, 15435, 16875, 18375, 21875, 23625, 25725, 28125, 30625, 33075, 39375, 42875, 46305, 55125, 65625, 77175, 84375, 91875, 118125, 128625, 153125, 165375, 196875, 214375, 231525, 275625, 385875, 459375, 590625, 643125, 826875, 1071875, 1157625, 1378125, 1929375, 3215625, 4134375, 5788125, 9646875, 28940625]

約数ペア:

[(1, 28940625), (3, 9646875), (5, 5788125), (7, 4134375), (9, 3215625), (15, 1929375), (21, 1378125), (25, 1157625), (27, 1071875), (35, 826875), (45, 643125), (49, 590625), (63, 459375), (75, 385875), (105, 275625), (125, 231525), (135, 214375), (147, 196875), (175, 165375), (189, 153125), (225, 128625), (245, 118125), (315, 91875), (343, 84375), (375, 77175), (441, 65625), (525, 55125), (625, 46305), (675, 42875), (735, 39375), (875, 33075), (945, 30625), (1029, 28125), (1125, 25725), (1225, 23625), (1323, 21875), (1575, 18375), (1715, 16875), (1875, 15435), (2205, 13125), (2625, 11025), (3087, 9375), (3125, 9261), (3375, 8575), (3675, 7875), (4375, 6615), (4725, 6125), (5145, 5625)]