38787075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 75183680

約数和(自身を除く): 36396605

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 171, 211, 215, 225, 285, 387, 475, 633, 645, 817, 855, 1055, 1075, 1425, 1899, 1935, 2451, 3165, 3225, 4009, 4085, 4275, 5275, 7353, 9073, 9495, 9675, 12027, 12255, 15825, 20045, 20425, 27219, 36081, 36765, 45365, 47475, 60135, 61275, 81657, 100225, 136095, 172387, 180405, 183825, 226825, 300675, 408285, 517161, 680475, 861935, 902025, 1551483, 2041425, 2585805, 4309675, 7757415, 12929025, 38787075]

約数ペア:

[(1, 38787075), (3, 12929025), (5, 7757415), (9, 4309675), (15, 2585805), (19, 2041425), (25, 1551483), (43, 902025), (45, 861935), (57, 680475), (75, 517161), (95, 408285), (129, 300675), (171, 226825), (211, 183825), (215, 180405), (225, 172387), (285, 136095), (387, 100225), (475, 81657), (633, 61275), (645, 60135), (817, 47475), (855, 45365), (1055, 36765), (1075, 36081), (1425, 27219), (1899, 20425), (1935, 20045), (2451, 15825), (3165, 12255), (3225, 12027), (4009, 9675), (4085, 9495), (4275, 9073), (5275, 7353)]