15728559

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 27184896

約数和(自身を除く): 11456337

約数列:

[1, 3, 7, 11, 21, 33, 49, 71, 77, 137, 147, 213, 231, 411, 497, 539, 781, 959, 1491, 1507, 1617, 2343, 2877, 3479, 4521, 5467, 6713, 9727, 10437, 10549, 16401, 20139, 29181, 31647, 38269, 68089, 73843, 106997, 114807, 204267, 221529, 320991, 476623, 748979, 1429869, 2246937, 5242853, 15728559]

約数ペア:

[(1, 15728559), (3, 5242853), (7, 2246937), (11, 1429869), (21, 748979), (33, 476623), (49, 320991), (71, 221529), (77, 204267), (137, 114807), (147, 106997), (213, 73843), (231, 68089), (411, 38269), (497, 31647), (539, 29181), (781, 20139), (959, 16401), (1491, 10549), (1507, 10437), (1617, 9727), (2343, 6713), (2877, 5467), (3479, 4521)]