81542055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 157132800

約数和(自身を除く): 75590745

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 61, 87, 105, 145, 183, 203, 305, 427, 435, 439, 609, 915, 1015, 1281, 1317, 1769, 2135, 2195, 3045, 3073, 5307, 6405, 6585, 8845, 9219, 12383, 12731, 15365, 26535, 26779, 37149, 38193, 46095, 61915, 63655, 80337, 89117, 133895, 185745, 187453, 190965, 267351, 401685, 445585, 562359, 776591, 937265, 1336755, 2329773, 2811795, 3882955, 5436137, 11648865, 16308411, 27180685, 81542055]

約数ペア:

[(1, 81542055), (3, 27180685), (5, 16308411), (7, 11648865), (15, 5436137), (21, 3882955), (29, 2811795), (35, 2329773), (61, 1336755), (87, 937265), (105, 776591), (145, 562359), (183, 445585), (203, 401685), (305, 267351), (427, 190965), (435, 187453), (439, 185745), (609, 133895), (915, 89117), (1015, 80337), (1281, 63655), (1317, 61915), (1769, 46095), (2135, 38193), (2195, 37149), (3045, 26779), (3073, 26535), (5307, 15365), (6405, 12731), (6585, 12383), (8845, 9219)]