275625

素因数分解:

$3^2\times 5^4\times 7^2$

素因数の和:40

約数の個数: 45

約数和(自身を含む): 578721

約数和(自身を除く): 303096

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 125, 147, 175, 225, 245, 315, 375, 441, 525, 625, 735, 875, 1125, 1225, 1575, 1875, 2205, 2625, 3675, 4375, 5625, 6125, 7875, 11025, 13125, 18375, 30625, 39375, 55125, 91875, 275625]

約数ペア:

[(1, 275625), (3, 91875), (5, 55125), (7, 39375), (9, 30625), (15, 18375), (21, 13125), (25, 11025), (35, 7875), (45, 6125), (49, 5625), (63, 4375), (75, 3675), (105, 2625), (125, 2205), (147, 1875), (175, 1575), (225, 1225), (245, 1125), (315, 875), (375, 735), (441, 625)]