64604025

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9901}}^1$

素因数の和:9946

約数の個数: 36

約数和(自身を含む): 119715180

約数和(自身を除く): 55111155

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 9901, 29703, 49505, 89109, 148515, 247525, 287129, 445545, 742575, 861387, 1435645, 2227725, 2584161, 4306935, 7178225, 12920805, 21534675, 64604025]

約数ペア:

[(1, 64604025), (3, 21534675), (5, 12920805), (9, 7178225), (15, 4306935), (25, 2584161), (29, 2227725), (45, 1435645), (75, 861387), (87, 742575), (145, 445545), (225, 287129), (261, 247525), (435, 148515), (725, 89109), (1305, 49505), (2175, 29703), (6525, 9901)]