81687528

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9697}}^1$

素因数の和:9728

約数の個数: 80

約数和(自身を含む): 246426180

約数和(自身を除く): 164738652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 9697, 19394, 29091, 38788, 58182, 77576, 87273, 116364, 126061, 174546, 232728, 252122, 261819, 349092, 378183, 504244, 523638, 698184, 756366, 785457, 1008488, 1047276, 1134549, 1512732, 1570914, 2094552, 2269098, 3025464, 3141828, 3403647, 4538196, 6283656, 6807294, 9076392, 10210941, 13614588, 20421882, 27229176, 40843764, 81687528]

約数ペア:

[(1, 81687528), (2, 40843764), (3, 27229176), (4, 20421882), (6, 13614588), (8, 10210941), (9, 9076392), (12, 6807294), (13, 6283656), (18, 4538196), (24, 3403647), (26, 3141828), (27, 3025464), (36, 2269098), (39, 2094552), (52, 1570914), (54, 1512732), (72, 1134549), (78, 1047276), (81, 1008488), (104, 785457), (108, 756366), (117, 698184), (156, 523638), (162, 504244), (216, 378183), (234, 349092), (312, 261819), (324, 252122), (351, 232728), (468, 174546), (648, 126061), (702, 116364), (936, 87273), (1053, 77576), (1404, 58182), (2106, 38788), (2808, 29091), (4212, 19394), (8424, 9697)]