201449985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 371036160

約数和(自身を除く): 169586175

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 109, 115, 165, 253, 327, 345, 487, 545, 759, 1199, 1265, 1461, 1635, 2435, 2507, 3597, 3795, 5357, 5995, 7305, 7521, 11201, 12535, 16071, 17985, 26785, 27577, 33603, 37605, 53083, 56005, 80355, 82731, 123211, 137885, 159249, 168015, 265415, 369633, 413655, 583913, 616055, 796245, 1220909, 1751739, 1848165, 2919565, 3662727, 6104545, 8758695, 13429999, 18313635, 40289997, 67149995, 201449985]

約数ペア:

[(1, 201449985), (3, 67149995), (5, 40289997), (11, 18313635), (15, 13429999), (23, 8758695), (33, 6104545), (55, 3662727), (69, 2919565), (109, 1848165), (115, 1751739), (165, 1220909), (253, 796245), (327, 616055), (345, 583913), (487, 413655), (545, 369633), (759, 265415), (1199, 168015), (1265, 159249), (1461, 137885), (1635, 123211), (2435, 82731), (2507, 80355), (3597, 56005), (3795, 53083), (5357, 37605), (5995, 33603), (7305, 27577), (7521, 26785), (11201, 17985), (12535, 16071)]