68478015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2719}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 115937280

約数和(自身を除く): 47459265

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 2719, 5037, 8157, 8395, 13595, 25185, 40785, 62537, 187611, 198487, 312685, 595461, 938055, 992435, 2977305, 4565201, 13695603, 22826005, 68478015]

約数ペア:

[(1, 68478015), (3, 22826005), (5, 13695603), (15, 4565201), (23, 2977305), (69, 992435), (73, 938055), (115, 595461), (219, 312685), (345, 198487), (365, 187611), (1095, 62537), (1679, 40785), (2719, 25185), (5037, 13595), (8157, 8395)]