2247197985

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 4108108752

約数和(自身を除く): 1860910767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 137, 303, 401, 405, 411, 505, 685, 909, 1203, 1233, 1515, 2005, 2055, 2727, 3609, 3699, 4545, 6015, 6165, 8181, 10827, 11097, 13635, 13837, 18045, 18495, 32481, 40501, 40905, 41511, 54135, 54937, 55485, 69185, 121503, 124533, 162405, 164811, 202505, 207555, 274685, 364509, 373599, 494433, 607515, 622665, 824055, 1093527, 1120797, 1483299, 1822545, 1867995, 2472165, 3280581, 4449897, 5467635, 5548637, 5603985, 7416495, 16402905, 16645911, 22249485, 27743185, 49937733, 83229555, 149813199, 249688665, 449439597, 749065995, 2247197985]

約数ペア:

[(1, 2247197985), (3, 749065995), (5, 449439597), (9, 249688665), (15, 149813199), (27, 83229555), (45, 49937733), (81, 27743185), (101, 22249485), (135, 16645911), (137, 16402905), (303, 7416495), (401, 5603985), (405, 5548637), (411, 5467635), (505, 4449897), (685, 3280581), (909, 2472165), (1203, 1867995), (1233, 1822545), (1515, 1483299), (2005, 1120797), (2055, 1093527), (2727, 824055), (3609, 622665), (3699, 607515), (4545, 494433), (6015, 373599), (6165, 364509), (8181, 274685), (10827, 207555), (11097, 202505), (13635, 164811), (13837, 162405), (18045, 124533), (18495, 121503), (32481, 69185), (40501, 55485), (40905, 54937), (41511, 54135)]