31081554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 81095040

約数和(自身を除く): 50013486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 59, 63, 74, 111, 113, 118, 126, 177, 222, 226, 259, 333, 339, 354, 413, 518, 531, 666, 678, 777, 791, 826, 1017, 1062, 1239, 1554, 1582, 2034, 2183, 2331, 2373, 2478, 3717, 4181, 4366, 4662, 4746, 6549, 6667, 7119, 7434, 8362, 12543, 13098, 13334, 14238, 15281, 19647, 20001, 25086, 29267, 30562, 37629, 39294, 40002, 45843, 46669, 58534, 60003, 75258, 87801, 91686, 93338, 120006, 137529, 140007, 175602, 246679, 263403, 275058, 280014, 420021, 493358, 526806, 740037, 840042, 1480074, 1726753, 2220111, 3453506, 4440222, 5180259, 10360518, 15540777, 31081554]

約数ペア:

[(1, 31081554), (2, 15540777), (3, 10360518), (6, 5180259), (7, 4440222), (9, 3453506), (14, 2220111), (18, 1726753), (21, 1480074), (37, 840042), (42, 740037), (59, 526806), (63, 493358), (74, 420021), (111, 280014), (113, 275058), (118, 263403), (126, 246679), (177, 175602), (222, 140007), (226, 137529), (259, 120006), (333, 93338), (339, 91686), (354, 87801), (413, 75258), (518, 60003), (531, 58534), (666, 46669), (678, 45843), (777, 40002), (791, 39294), (826, 37629), (1017, 30562), (1062, 29267), (1239, 25086), (1554, 20001), (1582, 19647), (2034, 15281), (2183, 14238), (2331, 13334), (2373, 13098), (2478, 12543), (3717, 8362), (4181, 7434), (4366, 7119), (4662, 6667), (4746, 6549)]