31213098

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:888

約数の個数: 72

約数和(自身を含む): 80597088

約数和(自身を除く): 49383990

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 774, 823, 882, 903, 1646, 1806, 2107, 2469, 2709, 4214, 4938, 5418, 5761, 6321, 7407, 11522, 12642, 14814, 17283, 18963, 34566, 35389, 37926, 40327, 51849, 70778, 80654, 103698, 106167, 120981, 212334, 241962, 247723, 318501, 362943, 495446, 637002, 725886, 743169, 1486338, 1734061, 2229507, 3468122, 4459014, 5202183, 10404366, 15606549, 31213098]

約数ペア:

[(1, 31213098), (2, 15606549), (3, 10404366), (6, 5202183), (7, 4459014), (9, 3468122), (14, 2229507), (18, 1734061), (21, 1486338), (42, 743169), (43, 725886), (49, 637002), (63, 495446), (86, 362943), (98, 318501), (126, 247723), (129, 241962), (147, 212334), (258, 120981), (294, 106167), (301, 103698), (387, 80654), (441, 70778), (602, 51849), (774, 40327), (823, 37926), (882, 35389), (903, 34566), (1646, 18963), (1806, 17283), (2107, 14814), (2469, 12642), (2709, 11522), (4214, 7407), (4938, 6321), (5418, 5761)]