86821395

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 144184320

約数和(自身を除く): 57362925

約数列:

[1, 3, 5, 15, 41, 79, 123, 205, 237, 395, 615, 1185, 1787, 3239, 5361, 8935, 9717, 16195, 26805, 48585, 73267, 141173, 219801, 366335, 423519, 705865, 1099005, 2117595, 5788093, 17364279, 28940465, 86821395]

約数ペア:

[(1, 86821395), (3, 28940465), (5, 17364279), (15, 5788093), (41, 2117595), (79, 1099005), (123, 705865), (205, 423519), (237, 366335), (395, 219801), (615, 141173), (1185, 73267), (1787, 48585), (3239, 26805), (5361, 16195), (8935, 9717)]