61991595

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 115315200

約数和(自身を除く): 53323605

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 59, 129, 135, 177, 181, 215, 295, 387, 531, 543, 645, 885, 905, 1161, 1593, 1629, 1935, 2537, 2655, 2715, 4887, 5805, 7611, 7783, 7965, 8145, 10679, 12685, 22833, 23349, 24435, 32037, 38055, 38915, 53395, 68499, 70047, 96111, 114165, 116745, 160185, 210141, 288333, 342495, 350235, 459197, 480555, 1050705, 1377591, 1441665, 2295985, 4132773, 6887955, 12398319, 20663865, 61991595]

約数ペア:

[(1, 61991595), (3, 20663865), (5, 12398319), (9, 6887955), (15, 4132773), (27, 2295985), (43, 1441665), (45, 1377591), (59, 1050705), (129, 480555), (135, 459197), (177, 350235), (181, 342495), (215, 288333), (295, 210141), (387, 160185), (531, 116745), (543, 114165), (645, 96111), (885, 70047), (905, 68499), (1161, 53395), (1593, 38915), (1629, 38055), (1935, 32037), (2537, 24435), (2655, 23349), (2715, 22833), (4887, 12685), (5805, 10679), (7611, 8145), (7783, 7965)]