26979975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 54

約数和(自身を含む): 53170208

約数和(自身を除く): 26190233

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 825, 991, 1089, 1815, 2475, 2973, 3025, 4955, 5445, 8919, 9075, 10901, 14865, 24775, 27225, 32703, 44595, 54505, 74325, 98109, 119911, 163515, 222975, 272525, 359733, 490545, 599555, 817575, 1079199, 1798665, 2452725, 2997775, 5395995, 8993325, 26979975]

約数ペア:

[(1, 26979975), (3, 8993325), (5, 5395995), (9, 2997775), (11, 2452725), (15, 1798665), (25, 1079199), (33, 817575), (45, 599555), (55, 490545), (75, 359733), (99, 272525), (121, 222975), (165, 163515), (225, 119911), (275, 98109), (363, 74325), (495, 54505), (605, 44595), (825, 32703), (991, 27225), (1089, 24775), (1815, 14865), (2475, 10901), (2973, 9075), (3025, 8919), (4955, 5445)]