71811873

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 126904320

約数和(自身を除く): 55092447

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 67, 107, 159, 189, 201, 321, 371, 469, 477, 603, 749, 963, 1113, 1407, 1431, 1809, 2247, 2889, 3339, 3551, 4221, 5671, 6741, 7169, 10017, 10653, 12663, 17013, 20223, 21507, 24857, 31959, 39697, 50183, 51039, 64521, 74571, 95877, 119091, 150549, 153117, 193563, 223713, 357273, 379957, 451647, 671139, 1071819, 1139871, 1354941, 2659699, 3419613, 7979097, 10258839, 23937291, 71811873]

約数ペア:

[(1, 71811873), (3, 23937291), (7, 10258839), (9, 7979097), (21, 3419613), (27, 2659699), (53, 1354941), (63, 1139871), (67, 1071819), (107, 671139), (159, 451647), (189, 379957), (201, 357273), (321, 223713), (371, 193563), (469, 153117), (477, 150549), (603, 119091), (749, 95877), (963, 74571), (1113, 64521), (1407, 51039), (1431, 50183), (1809, 39697), (2247, 31959), (2889, 24857), (3339, 21507), (3551, 20223), (4221, 17013), (5671, 12663), (6741, 10653), (7169, 10017)]