210577215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15581}}^1$

素因数の和:15659

約数の個数: 32

約数和(自身を含む): 363496896

約数和(自身を除く): 152919681

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 15581, 46743, 77905, 233715, 264877, 794631, 825793, 1324385, 2477379, 3973155, 4128965, 12386895, 14038481, 42115443, 70192405, 210577215]

約数ペア:

[(1, 210577215), (3, 70192405), (5, 42115443), (15, 14038481), (17, 12386895), (51, 4128965), (53, 3973155), (85, 2477379), (159, 1324385), (255, 825793), (265, 794631), (795, 264877), (901, 233715), (2703, 77905), (4505, 46743), (13515, 15581)]