205320063

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 300888000

約数和(自身を除く): 95567937

約数列:

[1, 3, 13, 39, 89, 149, 267, 397, 447, 1157, 1191, 1937, 3471, 5161, 5811, 13261, 15483, 35333, 39783, 59153, 105999, 172393, 177459, 459329, 517179, 768989, 1377987, 2306967, 5264617, 15793851, 68440021, 205320063]

約数ペア:

[(1, 205320063), (3, 68440021), (13, 15793851), (39, 5264617), (89, 2306967), (149, 1377987), (267, 768989), (397, 517179), (447, 459329), (1157, 177459), (1191, 172393), (1937, 105999), (3471, 59153), (5161, 39783), (5811, 35333), (13261, 15483)]