31996185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 58490880

約数和(自身を除く): 26494695

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 67, 79, 93, 155, 195, 201, 237, 335, 395, 403, 465, 871, 1005, 1027, 1185, 1209, 2015, 2077, 2449, 2613, 3081, 4355, 5135, 5293, 6045, 6231, 7347, 10385, 12245, 13065, 15405, 15879, 26465, 27001, 31155, 31837, 36735, 68809, 79395, 81003, 95511, 135005, 159185, 164083, 206427, 344045, 405015, 477555, 492249, 820415, 1032135, 2133079, 2461245, 6399237, 10665395, 31996185]

約数ペア:

[(1, 31996185), (3, 10665395), (5, 6399237), (13, 2461245), (15, 2133079), (31, 1032135), (39, 820415), (65, 492249), (67, 477555), (79, 405015), (93, 344045), (155, 206427), (195, 164083), (201, 159185), (237, 135005), (335, 95511), (395, 81003), (403, 79395), (465, 68809), (871, 36735), (1005, 31837), (1027, 31155), (1185, 27001), (1209, 26465), (2015, 15879), (2077, 15405), (2449, 13065), (2613, 12245), (3081, 10385), (4355, 7347), (5135, 6231), (5293, 6045)]