7490385

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 15649920

約数和(自身を除く): 8159535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 79, 105, 129, 147, 215, 237, 245, 301, 315, 387, 395, 441, 553, 645, 711, 735, 903, 1185, 1505, 1659, 1935, 2107, 2205, 2709, 2765, 3397, 3555, 3871, 4515, 4977, 6321, 8295, 10191, 10535, 11613, 13545, 16985, 18963, 19355, 23779, 24885, 30573, 31605, 34839, 50955, 58065, 71337, 94815, 118895, 152865, 166453, 174195, 214011, 356685, 499359, 832265, 1070055, 1498077, 2496795, 7490385]

約数ペア:

[(1, 7490385), (3, 2496795), (5, 1498077), (7, 1070055), (9, 832265), (15, 499359), (21, 356685), (35, 214011), (43, 174195), (45, 166453), (49, 152865), (63, 118895), (79, 94815), (105, 71337), (129, 58065), (147, 50955), (215, 34839), (237, 31605), (245, 30573), (301, 24885), (315, 23779), (387, 19355), (395, 18963), (441, 16985), (553, 13545), (645, 11613), (711, 10535), (735, 10191), (903, 8295), (1185, 6321), (1505, 4977), (1659, 4515), (1935, 3871), (2107, 3555), (2205, 3397), (2709, 2765)]