64865025

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9941}}^1$

素因数の和:9986

約数の個数: 36

約数和(自身を含む): 120198780

約数和(自身を除く): 55333755

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 9941, 29823, 49705, 89469, 149115, 248525, 288289, 447345, 745575, 864867, 1441445, 2236725, 2594601, 4324335, 7207225, 12973005, 21621675, 64865025]

約数ペア:

[(1, 64865025), (3, 21621675), (5, 12973005), (9, 7207225), (15, 4324335), (25, 2594601), (29, 2236725), (45, 1441445), (75, 864867), (87, 745575), (145, 447345), (225, 288289), (261, 248525), (435, 149115), (725, 89469), (1305, 49705), (2175, 29823), (6525, 9941)]