157955985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 314810496

約数和(自身を除く): 156854511

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 43, 45, 55, 99, 123, 129, 165, 181, 205, 215, 369, 387, 451, 473, 495, 543, 615, 645, 905, 1353, 1419, 1629, 1763, 1845, 1935, 1991, 2255, 2365, 2715, 4059, 4257, 5289, 5973, 6765, 7095, 7421, 7783, 8145, 8815, 9955, 15867, 17919, 19393, 20295, 21285, 22263, 23349, 26445, 29865, 37105, 38915, 58179, 66789, 70047, 79335, 81631, 85613, 89595, 96965, 111315, 116745, 174537, 244893, 256839, 290895, 319103, 333945, 350235, 408155, 428065, 734679, 770517, 872685, 957309, 1224465, 1284195, 1595515, 2871927, 3510133, 3673395, 3852585, 4786545, 10530399, 14359635, 17550665, 31591197, 52651995, 157955985]

約数ペア:

[(1, 157955985), (3, 52651995), (5, 31591197), (9, 17550665), (11, 14359635), (15, 10530399), (33, 4786545), (41, 3852585), (43, 3673395), (45, 3510133), (55, 2871927), (99, 1595515), (123, 1284195), (129, 1224465), (165, 957309), (181, 872685), (205, 770517), (215, 734679), (369, 428065), (387, 408155), (451, 350235), (473, 333945), (495, 319103), (543, 290895), (615, 256839), (645, 244893), (905, 174537), (1353, 116745), (1419, 111315), (1629, 96965), (1763, 89595), (1845, 85613), (1935, 81631), (1991, 79335), (2255, 70047), (2365, 66789), (2715, 58179), (4059, 38915), (4257, 37105), (5289, 29865), (5973, 26445), (6765, 23349), (7095, 22263), (7421, 21285), (7783, 20295), (8145, 19393), (8815, 17919), (9955, 15867)]