80121975

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 136907904

約数和(自身を除く): 56785929

約数列:

[1, 3, 5, 15, 25, 61, 75, 83, 183, 211, 249, 305, 415, 633, 915, 1055, 1245, 1525, 2075, 3165, 4575, 5063, 5275, 6225, 12871, 15189, 15825, 17513, 25315, 38613, 52539, 64355, 75945, 87565, 126575, 193065, 262695, 321775, 379725, 437825, 965325, 1068293, 1313475, 3204879, 5341465, 16024395, 26707325, 80121975]

約数ペア:

[(1, 80121975), (3, 26707325), (5, 16024395), (15, 5341465), (25, 3204879), (61, 1313475), (75, 1068293), (83, 965325), (183, 437825), (211, 379725), (249, 321775), (305, 262695), (415, 193065), (633, 126575), (915, 87565), (1055, 75945), (1245, 64355), (1525, 52539), (2075, 38613), (3165, 25315), (4575, 17513), (5063, 15825), (5275, 15189), (6225, 12871)]