247135455

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 510174720

約数和(自身を除く): 263039265

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 179, 189, 315, 405, 487, 537, 567, 895, 945, 1253, 1461, 1611, 2435, 2685, 2835, 3409, 3759, 4383, 4833, 6265, 7305, 8055, 10227, 11277, 13149, 14499, 17045, 18795, 21915, 24165, 30681, 33831, 39447, 51135, 56385, 65745, 72495, 87173, 92043, 101493, 153405, 169155, 197235, 261519, 276129, 435865, 460215, 507465, 610211, 784557, 1307595, 1380645, 1830633, 2353671, 3051055, 3922785, 5491899, 7061013, 9153165, 11768355, 16475697, 27459495, 35305065, 49427091, 82378485, 247135455]

約数ペア:

[(1, 247135455), (3, 82378485), (5, 49427091), (7, 35305065), (9, 27459495), (15, 16475697), (21, 11768355), (27, 9153165), (35, 7061013), (45, 5491899), (63, 3922785), (81, 3051055), (105, 2353671), (135, 1830633), (179, 1380645), (189, 1307595), (315, 784557), (405, 610211), (487, 507465), (537, 460215), (567, 435865), (895, 276129), (945, 261519), (1253, 197235), (1461, 169155), (1611, 153405), (2435, 101493), (2685, 92043), (2835, 87173), (3409, 72495), (3759, 65745), (4383, 56385), (4833, 51135), (6265, 39447), (7305, 33831), (8055, 30681), (10227, 24165), (11277, 21915), (13149, 18795), (14499, 17045)]