17121375

素因数分解:

$3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 80

約数和(自身を含む): 33976800

約数和(自身を除く): 16855425

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 89, 95, 125, 135, 171, 225, 267, 285, 375, 405, 445, 475, 513, 675, 801, 855, 1125, 1335, 1425, 1539, 1691, 2025, 2225, 2375, 2403, 2565, 3375, 4005, 4275, 5073, 6675, 7125, 7209, 7695, 8455, 10125, 11125, 12015, 12825, 15219, 20025, 21375, 25365, 33375, 36045, 38475, 42275, 45657, 60075, 64125, 76095, 100125, 126825, 136971, 180225, 192375, 211375, 228285, 300375, 380475, 634125, 684855, 901125, 1141425, 1902375, 3424275, 5707125, 17121375]

約数ペア:

[(1, 17121375), (3, 5707125), (5, 3424275), (9, 1902375), (15, 1141425), (19, 901125), (25, 684855), (27, 634125), (45, 380475), (57, 300375), (75, 228285), (81, 211375), (89, 192375), (95, 180225), (125, 136971), (135, 126825), (171, 100125), (225, 76095), (267, 64125), (285, 60075), (375, 45657), (405, 42275), (445, 38475), (475, 36045), (513, 33375), (675, 25365), (801, 21375), (855, 20025), (1125, 15219), (1335, 12825), (1425, 12015), (1539, 11125), (1691, 10125), (2025, 8455), (2225, 7695), (2375, 7209), (2403, 7125), (2565, 6675), (3375, 5073), (4005, 4275)]