51380055

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 95800320

約数和(自身を除く): 44420265

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 53, 129, 135, 159, 167, 215, 265, 387, 477, 501, 645, 795, 835, 1161, 1431, 1503, 1935, 2279, 2385, 2505, 4509, 5805, 6837, 7155, 7181, 7515, 8851, 11395, 20511, 21543, 22545, 26553, 34185, 35905, 44255, 61533, 64629, 79659, 102555, 107715, 132765, 193887, 238977, 307665, 323145, 380593, 398295, 969435, 1141779, 1194885, 1902965, 3425337, 5708895, 10276011, 17126685, 51380055]

約数ペア:

[(1, 51380055), (3, 17126685), (5, 10276011), (9, 5708895), (15, 3425337), (27, 1902965), (43, 1194885), (45, 1141779), (53, 969435), (129, 398295), (135, 380593), (159, 323145), (167, 307665), (215, 238977), (265, 193887), (387, 132765), (477, 107715), (501, 102555), (645, 79659), (795, 64629), (835, 61533), (1161, 44255), (1431, 35905), (1503, 34185), (1935, 26553), (2279, 22545), (2385, 21543), (2505, 20511), (4509, 11395), (5805, 8851), (6837, 7515), (7155, 7181)]