31308849

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 28130895

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 39, 51, 53, 81, 99, 117, 143, 153, 159, 187, 221, 243, 297, 351, 429, 459, 477, 561, 583, 663, 689, 891, 901, 1053, 1287, 1377, 1431, 1683, 1749, 1989, 2067, 2431, 2673, 2703, 3159, 3861, 4131, 4293, 5049, 5247, 5967, 6201, 7293, 7579, 8109, 9911, 11583, 11713, 12879, 15147, 15741, 17901, 18603, 21879, 22737, 24327, 29733, 34749, 35139, 45441, 47223, 53703, 55809, 65637, 68211, 72981, 89199, 105417, 128843, 141669, 167427, 196911, 204633, 218943, 267597, 316251, 386529, 590733, 613899, 802791, 948753, 1159587, 1841697, 2408373, 2846259, 3478761, 10436283, 31308849]

約数ペア:

[(1, 31308849), (3, 10436283), (9, 3478761), (11, 2846259), (13, 2408373), (17, 1841697), (27, 1159587), (33, 948753), (39, 802791), (51, 613899), (53, 590733), (81, 386529), (99, 316251), (117, 267597), (143, 218943), (153, 204633), (159, 196911), (187, 167427), (221, 141669), (243, 128843), (297, 105417), (351, 89199), (429, 72981), (459, 68211), (477, 65637), (561, 55809), (583, 53703), (663, 47223), (689, 45441), (891, 35139), (901, 34749), (1053, 29733), (1287, 24327), (1377, 22737), (1431, 21879), (1683, 18603), (1749, 17901), (1989, 15741), (2067, 15147), (2431, 12879), (2673, 11713), (2703, 11583), (3159, 9911), (3861, 8109), (4131, 7579), (4293, 7293), (5049, 6201), (5247, 5967)]