7131861

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 12129600

約数和(自身を除く): 4997739

約数列:

[1, 3, 9, 11, 27, 33, 37, 59, 99, 111, 121, 177, 297, 333, 363, 407, 531, 649, 999, 1089, 1221, 1593, 1947, 2183, 3267, 3663, 4477, 5841, 6549, 7139, 10989, 13431, 17523, 19647, 21417, 24013, 40293, 58941, 64251, 72039, 120879, 192753, 216117, 264143, 648351, 792429, 2377287, 7131861]

約数ペア:

[(1, 7131861), (3, 2377287), (9, 792429), (11, 648351), (27, 264143), (33, 216117), (37, 192753), (59, 120879), (99, 72039), (111, 64251), (121, 58941), (177, 40293), (297, 24013), (333, 21417), (363, 19647), (407, 17523), (531, 13431), (649, 10989), (999, 7139), (1089, 6549), (1221, 5841), (1593, 4477), (1947, 3663), (2183, 3267)]