65219535

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 116251200

約数和(自身を除く): 51031665

約数列:

[1, 3, 5, 9, 15, 45, 71, 137, 149, 213, 355, 411, 447, 639, 685, 745, 1065, 1233, 1341, 2055, 2235, 3195, 6165, 6705, 9727, 10579, 20413, 29181, 31737, 48635, 52895, 61239, 87543, 95211, 102065, 145905, 158685, 183717, 306195, 437715, 476055, 918585, 1449323, 4347969, 7246615, 13043907, 21739845, 65219535]

約数ペア:

[(1, 65219535), (3, 21739845), (5, 13043907), (9, 7246615), (15, 4347969), (45, 1449323), (71, 918585), (137, 476055), (149, 437715), (213, 306195), (355, 183717), (411, 158685), (447, 145905), (639, 102065), (685, 95211), (745, 87543), (1065, 61239), (1233, 52895), (1341, 48635), (2055, 31737), (2235, 29181), (3195, 20413), (6165, 10579), (6705, 9727)]