385875

素因数分解:

$3^2\times 5^3\times 7^3$

素因数の和:42

約数の個数: 48

約数和(自身を含む): 811200

約数和(自身を除く): 425325

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 125, 147, 175, 225, 245, 315, 343, 375, 441, 525, 735, 875, 1029, 1125, 1225, 1575, 1715, 2205, 2625, 3087, 3675, 5145, 6125, 7875, 8575, 11025, 15435, 18375, 25725, 42875, 55125, 77175, 128625, 385875]

約数ペア:

[(1, 385875), (3, 128625), (5, 77175), (7, 55125), (9, 42875), (15, 25725), (21, 18375), (25, 15435), (35, 11025), (45, 8575), (49, 7875), (63, 6125), (75, 5145), (105, 3675), (125, 3087), (147, 2625), (175, 2205), (225, 1715), (245, 1575), (315, 1225), (343, 1125), (375, 1029), (441, 875), (525, 735)]