195684975

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 361732800

約数和(自身を除く): 166047825

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 101, 109, 225, 237, 303, 327, 395, 505, 545, 711, 909, 981, 1185, 1515, 1635, 1975, 2525, 2725, 3555, 4545, 4905, 5925, 7575, 7979, 8175, 8611, 11009, 17775, 22725, 23937, 24525, 25833, 33027, 39895, 43055, 55045, 71811, 77499, 99081, 119685, 129165, 165135, 199475, 215275, 275225, 359055, 387495, 495405, 598425, 645825, 825675, 869711, 1795275, 1937475, 2477025, 2609133, 4348555, 7827399, 13045665, 21742775, 39136995, 65228325, 195684975]

約数ペア:

[(1, 195684975), (3, 65228325), (5, 39136995), (9, 21742775), (15, 13045665), (25, 7827399), (45, 4348555), (75, 2609133), (79, 2477025), (101, 1937475), (109, 1795275), (225, 869711), (237, 825675), (303, 645825), (327, 598425), (395, 495405), (505, 387495), (545, 359055), (711, 275225), (909, 215275), (981, 199475), (1185, 165135), (1515, 129165), (1635, 119685), (1975, 99081), (2525, 77499), (2725, 71811), (3555, 55045), (4545, 43055), (4905, 39895), (5925, 33027), (7575, 25833), (7979, 24525), (8175, 23937), (8611, 22725), (11009, 17775)]