1321925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 1979040

約数和(自身を除く): 657115

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 121, 209, 253, 275, 437, 475, 575, 605, 1045, 1265, 2185, 2299, 2783, 3025, 4807, 5225, 6325, 10925, 11495, 13915, 24035, 52877, 57475, 69575, 120175, 264385, 1321925]

約数ペア:

[(1, 1321925), (5, 264385), (11, 120175), (19, 69575), (23, 57475), (25, 52877), (55, 24035), (95, 13915), (115, 11495), (121, 10925), (209, 6325), (253, 5225), (275, 4807), (437, 3025), (475, 2783), (575, 2299), (605, 2185), (1045, 1265)]