2945385

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 5513040

約数和(自身を除く): 2567655

約数列:

[1, 3, 5, 9, 15, 29, 37, 45, 61, 87, 111, 145, 183, 185, 261, 305, 333, 435, 549, 555, 915, 1073, 1305, 1665, 1769, 2257, 2745, 3219, 5307, 5365, 6771, 8845, 9657, 11285, 15921, 16095, 20313, 26535, 33855, 48285, 65453, 79605, 101565, 196359, 327265, 589077, 981795, 2945385]

約数ペア:

[(1, 2945385), (3, 981795), (5, 589077), (9, 327265), (15, 196359), (29, 101565), (37, 79605), (45, 65453), (61, 48285), (87, 33855), (111, 26535), (145, 20313), (183, 16095), (185, 15921), (261, 11285), (305, 9657), (333, 8845), (435, 6771), (549, 5365), (555, 5307), (915, 3219), (1073, 2745), (1305, 2257), (1665, 1769)]