31379127

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 20875593

約数列:

[1, 3, 13, 17, 19, 39, 47, 51, 53, 57, 141, 159, 221, 247, 323, 611, 663, 689, 741, 799, 893, 901, 969, 1007, 1833, 2067, 2397, 2491, 2679, 2703, 3021, 4199, 7473, 10387, 11609, 11713, 12597, 13091, 15181, 17119, 31161, 32383, 34827, 35139, 39273, 42347, 45543, 47329, 51357, 97149, 127041, 141987, 197353, 222547, 550511, 592059, 615277, 667641, 804593, 1651533, 1845831, 2413779, 10459709, 31379127]

約数ペア:

[(1, 31379127), (3, 10459709), (13, 2413779), (17, 1845831), (19, 1651533), (39, 804593), (47, 667641), (51, 615277), (53, 592059), (57, 550511), (141, 222547), (159, 197353), (221, 141987), (247, 127041), (323, 97149), (611, 51357), (663, 47329), (689, 45543), (741, 42347), (799, 39273), (893, 35139), (901, 34827), (969, 32383), (1007, 31161), (1833, 17119), (2067, 15181), (2397, 13091), (2491, 12597), (2679, 11713), (2703, 11609), (3021, 10387), (4199, 7473)]