208882911

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 297432000

約数和(自身を除く): 88549089

約数列:

[1, 3, 29, 53, 87, 89, 159, 267, 509, 1527, 1537, 2581, 4611, 4717, 7743, 14151, 14761, 26977, 44283, 45301, 80931, 135903, 136793, 410379, 782333, 1313729, 2346999, 2400953, 3941187, 7202859, 69627637, 208882911]

約数ペア:

[(1, 208882911), (3, 69627637), (29, 7202859), (53, 3941187), (87, 2400953), (89, 2346999), (159, 1313729), (267, 782333), (509, 410379), (1527, 136793), (1537, 135903), (2581, 80931), (4611, 45301), (4717, 44283), (7743, 26977), (14151, 14761)]