128302785

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8123}}^1$

素因数の和:8156

約数の個数: 48

約数和(自身を含む): 248399424

約数和(自身を除く): 120096639

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 3159, 5265, 8123, 15795, 24369, 40615, 73107, 105599, 121845, 219321, 316797, 365535, 527995, 657963, 950391, 1096605, 1583985, 1973889, 2851173, 3289815, 4751955, 8553519, 9869445, 14255865, 25660557, 42767595, 128302785]

約数ペア:

[(1, 128302785), (3, 42767595), (5, 25660557), (9, 14255865), (13, 9869445), (15, 8553519), (27, 4751955), (39, 3289815), (45, 2851173), (65, 1973889), (81, 1583985), (117, 1096605), (135, 950391), (195, 657963), (243, 527995), (351, 365535), (405, 316797), (585, 219321), (1053, 121845), (1215, 105599), (1755, 73107), (3159, 40615), (5265, 24369), (8123, 15795)]