27969375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{2131}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 53282944

約数和(自身を除く): 25313569

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 1875, 2131, 2625, 4375, 6393, 10655, 13125, 14917, 31965, 44751, 53275, 74585, 159825, 223755, 266375, 372925, 799125, 1118775, 1331875, 1864625, 3995625, 5593875, 9323125, 27969375]

約数ペア:

[(1, 27969375), (3, 9323125), (5, 5593875), (7, 3995625), (15, 1864625), (21, 1331875), (25, 1118775), (35, 799125), (75, 372925), (105, 266375), (125, 223755), (175, 159825), (375, 74585), (525, 53275), (625, 44751), (875, 31965), (1875, 14917), (2131, 13125), (2625, 10655), (4375, 6393)]