16962687

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 30351360

約数和(自身を除く): 13388673

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 383, 399, 703, 777, 1149, 1197, 2109, 2331, 2681, 3447, 4921, 6327, 7277, 8043, 14171, 14763, 21831, 24129, 42513, 44289, 50939, 65493, 99197, 127539, 152817, 269249, 297591, 458451, 807747, 892773, 1884743, 2423241, 5654229, 16962687]

約数ペア:

[(1, 16962687), (3, 5654229), (7, 2423241), (9, 1884743), (19, 892773), (21, 807747), (37, 458451), (57, 297591), (63, 269249), (111, 152817), (133, 127539), (171, 99197), (259, 65493), (333, 50939), (383, 44289), (399, 42513), (703, 24129), (777, 21831), (1149, 14763), (1197, 14171), (2109, 8043), (2331, 7277), (2681, 6327), (3447, 4921)]