81839484

素因数分解:

$2^2\times 3^5\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 216019440

約数和(自身を除く): 134179956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 269, 313, 324, 486, 538, 626, 807, 939, 972, 1076, 1252, 1614, 1878, 2421, 2817, 3228, 3756, 4842, 5634, 7263, 8451, 9684, 11268, 14526, 16902, 21789, 25353, 29052, 33804, 43578, 50706, 65367, 76059, 84197, 87156, 101412, 130734, 152118, 168394, 252591, 261468, 304236, 336788, 505182, 757773, 1010364, 1515546, 2273319, 3031092, 4546638, 6819957, 9093276, 13639914, 20459871, 27279828, 40919742, 81839484]

約数ペア:

[(1, 81839484), (2, 40919742), (3, 27279828), (4, 20459871), (6, 13639914), (9, 9093276), (12, 6819957), (18, 4546638), (27, 3031092), (36, 2273319), (54, 1515546), (81, 1010364), (108, 757773), (162, 505182), (243, 336788), (269, 304236), (313, 261468), (324, 252591), (486, 168394), (538, 152118), (626, 130734), (807, 101412), (939, 87156), (972, 84197), (1076, 76059), (1252, 65367), (1614, 50706), (1878, 43578), (2421, 33804), (2817, 29052), (3228, 25353), (3756, 21789), (4842, 16902), (5634, 14526), (7263, 11268), (8451, 9684)]