78812865

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 148780800

約数和(自身を除く): 69967935

約数列:

[1, 3, 5, 9, 15, 27, 29, 41, 45, 87, 123, 135, 145, 205, 261, 369, 435, 491, 615, 783, 1107, 1189, 1305, 1473, 1845, 2455, 3567, 3915, 4419, 5535, 5945, 7365, 10701, 13257, 14239, 17835, 20131, 22095, 32103, 42717, 53505, 60393, 66285, 71195, 100655, 128151, 160515, 181179, 213585, 301965, 384453, 543537, 583799, 640755, 905895, 1751397, 1922265, 2717685, 2918995, 5254191, 8756985, 15762573, 26270955, 78812865]

約数ペア:

[(1, 78812865), (3, 26270955), (5, 15762573), (9, 8756985), (15, 5254191), (27, 2918995), (29, 2717685), (41, 1922265), (45, 1751397), (87, 905895), (123, 640755), (135, 583799), (145, 543537), (205, 384453), (261, 301965), (369, 213585), (435, 181179), (491, 160515), (615, 128151), (783, 100655), (1107, 71195), (1189, 66285), (1305, 60393), (1473, 53505), (1845, 42717), (2455, 32103), (3567, 22095), (3915, 20131), (4419, 17835), (5535, 14239), (5945, 13257), (7365, 10701)]