201994425

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 407116800

約数和(自身を除く): 205122375

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 45, 51, 75, 85, 87, 135, 145, 153, 225, 255, 261, 425, 435, 459, 493, 607, 675, 725, 765, 783, 1275, 1305, 1479, 1821, 2175, 2295, 2465, 3035, 3825, 3915, 4437, 5463, 6525, 7395, 9105, 10319, 11475, 12325, 13311, 15175, 16389, 17603, 19575, 22185, 27315, 30957, 36975, 45525, 51595, 52809, 66555, 81945, 88015, 92871, 110925, 136575, 154785, 158427, 257975, 264045, 278613, 299251, 332775, 409725, 440075, 464355, 475281, 773925, 792135, 897753, 1320225, 1393065, 1496255, 2321775, 2376405, 2693259, 3960675, 4488765, 6965325, 7481275, 8079777, 11882025, 13466295, 22443825, 40398885, 67331475, 201994425]

約数ペア:

[(1, 201994425), (3, 67331475), (5, 40398885), (9, 22443825), (15, 13466295), (17, 11882025), (25, 8079777), (27, 7481275), (29, 6965325), (45, 4488765), (51, 3960675), (75, 2693259), (85, 2376405), (87, 2321775), (135, 1496255), (145, 1393065), (153, 1320225), (225, 897753), (255, 792135), (261, 773925), (425, 475281), (435, 464355), (459, 440075), (493, 409725), (607, 332775), (675, 299251), (725, 278613), (765, 264045), (783, 257975), (1275, 158427), (1305, 154785), (1479, 136575), (1821, 110925), (2175, 92871), (2295, 88015), (2465, 81945), (3035, 66555), (3825, 52809), (3915, 51595), (4437, 45525), (5463, 36975), (6525, 30957), (7395, 27315), (9105, 22185), (10319, 19575), (11475, 17603), (12325, 16389), (13311, 15175)]