72356571

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3449}}^1$

素因数の和:3505

約数の個数: 40

約数和(自身を含む): 126904800

約数和(自身を除く): 54548229

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 3449, 6993, 10347, 20979, 24143, 31041, 72429, 93123, 127613, 217287, 279369, 382839, 651861, 893291, 1148517, 1955583, 2679873, 3445551, 8039619, 10336653, 24118857, 72356571]

約数ペア:

[(1, 72356571), (3, 24118857), (7, 10336653), (9, 8039619), (21, 3445551), (27, 2679873), (37, 1955583), (63, 1148517), (81, 893291), (111, 651861), (189, 382839), (259, 279369), (333, 217287), (567, 127613), (777, 93123), (999, 72429), (2331, 31041), (2997, 24143), (3449, 20979), (6993, 10347)]