1900258785

素因数分解:

$3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17977}}^1$

素因数の和:18029

約数の個数: 56

約数和(自身を含む): 3536991720

約数和(自身を除く): 1636732935

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 729, 783, 1215, 1305, 2349, 3645, 3915, 7047, 11745, 17977, 21141, 35235, 53931, 89885, 105705, 161793, 269655, 485379, 521333, 808965, 1456137, 1563999, 2426895, 2606665, 4368411, 4691997, 7280685, 7819995, 13105233, 14075991, 21842055, 23459985, 42227973, 65526165, 70379955, 126683919, 211139865, 380051757, 633419595, 1900258785]

約数ペア:

[(1, 1900258785), (3, 633419595), (5, 380051757), (9, 211139865), (15, 126683919), (27, 70379955), (29, 65526165), (45, 42227973), (81, 23459985), (87, 21842055), (135, 14075991), (145, 13105233), (243, 7819995), (261, 7280685), (405, 4691997), (435, 4368411), (729, 2606665), (783, 2426895), (1215, 1563999), (1305, 1456137), (2349, 808965), (3645, 521333), (3915, 485379), (7047, 269655), (11745, 161793), (17977, 105705), (21141, 89885), (35235, 53931)]