2018081925

素因数分解:

$3^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 3785174400

約数和(自身を除く): 1767092475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 137, 139, 157, 225, 411, 417, 471, 675, 685, 695, 785, 1233, 1251, 1413, 2055, 2085, 2355, 3425, 3475, 3699, 3753, 3925, 4239, 6165, 6255, 7065, 10275, 10425, 11775, 18495, 18765, 19043, 21195, 21509, 21823, 30825, 31275, 35325, 57129, 64527, 65469, 92475, 93825, 95215, 105975, 107545, 109115, 171387, 193581, 196407, 285645, 322635, 327345, 476075, 514161, 537725, 545575, 580743, 589221, 856935, 967905, 982035, 1428225, 1613175, 1636725, 2570805, 2903715, 2946105, 2989751, 4284675, 4839525, 4910175, 8969253, 12854025, 14518575, 14730525, 14948755, 26907759, 44846265, 74743775, 80723277, 134538795, 224231325, 403616385, 672693975, 2018081925]

約数ペア:

[(1, 2018081925), (3, 672693975), (5, 403616385), (9, 224231325), (15, 134538795), (25, 80723277), (27, 74743775), (45, 44846265), (75, 26907759), (135, 14948755), (137, 14730525), (139, 14518575), (157, 12854025), (225, 8969253), (411, 4910175), (417, 4839525), (471, 4284675), (675, 2989751), (685, 2946105), (695, 2903715), (785, 2570805), (1233, 1636725), (1251, 1613175), (1413, 1428225), (2055, 982035), (2085, 967905), (2355, 856935), (3425, 589221), (3475, 580743), (3699, 545575), (3753, 537725), (3925, 514161), (4239, 476075), (6165, 327345), (6255, 322635), (7065, 285645), (10275, 196407), (10425, 193581), (11775, 171387), (18495, 109115), (18765, 107545), (19043, 105975), (21195, 95215), (21509, 93825), (21823, 92475), (30825, 65469), (31275, 64527), (35325, 57129)]