16820595

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 33454080

約数和(自身を除く): 16633485

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 47, 55, 99, 135, 141, 165, 235, 241, 297, 423, 495, 517, 705, 723, 1205, 1269, 1485, 1551, 2115, 2169, 2585, 2651, 3615, 4653, 6345, 6507, 7755, 7953, 10845, 11327, 13255, 13959, 23265, 23859, 32535, 33981, 39765, 56635, 69795, 71577, 101943, 119295, 124597, 169905, 305829, 357885, 373791, 509715, 622985, 1121373, 1529145, 1868955, 3364119, 5606865, 16820595]

約数ペア:

[(1, 16820595), (3, 5606865), (5, 3364119), (9, 1868955), (11, 1529145), (15, 1121373), (27, 622985), (33, 509715), (45, 373791), (47, 357885), (55, 305829), (99, 169905), (135, 124597), (141, 119295), (165, 101943), (235, 71577), (241, 69795), (297, 56635), (423, 39765), (495, 33981), (517, 32535), (705, 23859), (723, 23265), (1205, 13959), (1269, 13255), (1485, 11327), (1551, 10845), (2115, 7953), (2169, 7755), (2585, 6507), (2651, 6345), (3615, 4653)]