217285146

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{309523}}^1$

素因数の和:309547

約数の個数: 32

約数和(自身を含む): 520000320

約数和(自身を除く): 302715174

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 309523, 619046, 928569, 1857138, 2785707, 4023799, 5571414, 8047598, 8357121, 12071397, 16714242, 24142794, 36214191, 72428382, 108642573, 217285146]

約数ペア:

[(1, 217285146), (2, 108642573), (3, 72428382), (6, 36214191), (9, 24142794), (13, 16714242), (18, 12071397), (26, 8357121), (27, 8047598), (39, 5571414), (54, 4023799), (78, 2785707), (117, 1857138), (234, 928569), (351, 619046), (702, 309523)]