71240421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 115458048

約数和(自身を除く): 44217627

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 431, 463, 1293, 1389, 3017, 3241, 7327, 7871, 9051, 9723, 21981, 23613, 51289, 55097, 153867, 165291, 199553, 598659, 1396871, 3392401, 4190613, 10177203, 23746807, 71240421]

約数ペア:

[(1, 71240421), (3, 23746807), (7, 10177203), (17, 4190613), (21, 3392401), (51, 1396871), (119, 598659), (357, 199553), (431, 165291), (463, 153867), (1293, 55097), (1389, 51289), (3017, 23613), (3241, 21981), (7327, 9723), (7871, 9051)]