839947725

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 108

約数和(自身を含む): 1650894336

約数和(自身を除く): 810946611

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 361, 383, 405, 475, 513, 675, 855, 1083, 1149, 1215, 1425, 1539, 1805, 1915, 2025, 2565, 3249, 3447, 4275, 4617, 5415, 5745, 6075, 7277, 7695, 9025, 9575, 9747, 10341, 12825, 16245, 17235, 21831, 23085, 27075, 28725, 29241, 31023, 36385, 38475, 48735, 51705, 65493, 81225, 86175, 87723, 93069, 109155, 115425, 138263, 146205, 155115, 181925, 196479, 243675, 258525, 327465, 414789, 438615, 465345, 545775, 589437, 691315, 731025, 775575, 982395, 1244367, 1637325, 1768311, 2073945, 2193075, 2326725, 2947185, 3456575, 3733101, 4911975, 6221835, 8841555, 10369725, 11199303, 14735925, 18665505, 31109175, 33597909, 44207775, 55996515, 93327525, 167989545, 279982575, 839947725]

約数ペア:

[(1, 839947725), (3, 279982575), (5, 167989545), (9, 93327525), (15, 55996515), (19, 44207775), (25, 33597909), (27, 31109175), (45, 18665505), (57, 14735925), (75, 11199303), (81, 10369725), (95, 8841555), (135, 6221835), (171, 4911975), (225, 3733101), (243, 3456575), (285, 2947185), (361, 2326725), (383, 2193075), (405, 2073945), (475, 1768311), (513, 1637325), (675, 1244367), (855, 982395), (1083, 775575), (1149, 731025), (1215, 691315), (1425, 589437), (1539, 545775), (1805, 465345), (1915, 438615), (2025, 414789), (2565, 327465), (3249, 258525), (3447, 243675), (4275, 196479), (4617, 181925), (5415, 155115), (5745, 146205), (6075, 138263), (7277, 115425), (7695, 109155), (9025, 93069), (9575, 87723), (9747, 86175), (10341, 81225), (12825, 65493), (16245, 51705), (17235, 48735), (21831, 38475), (23085, 36385), (27075, 31023), (28725, 29241)]