71413209

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 126023040

約数和(自身を除く): 54609831

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 131, 153, 357, 393, 509, 917, 1071, 1179, 1527, 2227, 2751, 3563, 4581, 6681, 8253, 8653, 10689, 15589, 20043, 25959, 32067, 46767, 60571, 66679, 77877, 140301, 181713, 200037, 466753, 545139, 600111, 1133543, 1400259, 3400629, 4200777, 7934801, 10201887, 23804403, 71413209]

約数ペア:

[(1, 71413209), (3, 23804403), (7, 10201887), (9, 7934801), (17, 4200777), (21, 3400629), (51, 1400259), (63, 1133543), (119, 600111), (131, 545139), (153, 466753), (357, 200037), (393, 181713), (509, 140301), (917, 77877), (1071, 66679), (1179, 60571), (1527, 46767), (2227, 32067), (2751, 25959), (3563, 20043), (4581, 15589), (6681, 10689), (8253, 8653)]