27972175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 36

約数和(自身を含む): 43604848

約数和(自身を除く): 15632673

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1321, 1925, 3025, 4235, 6605, 9247, 14531, 21175, 33025, 46235, 72655, 101717, 159841, 231175, 363275, 508585, 799205, 1118887, 2542925, 3996025, 5594435, 27972175]

約数ペア:

[(1, 27972175), (5, 5594435), (7, 3996025), (11, 2542925), (25, 1118887), (35, 799205), (55, 508585), (77, 363275), (121, 231175), (175, 159841), (275, 101717), (385, 72655), (605, 46235), (847, 33025), (1321, 21175), (1925, 14531), (3025, 9247), (4235, 6605)]