31289706

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 85708800

約数和(自身を除く): 54419094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 59, 61, 63, 69, 118, 122, 126, 138, 161, 177, 183, 189, 207, 322, 354, 366, 378, 413, 414, 427, 483, 531, 549, 621, 826, 854, 966, 1062, 1098, 1239, 1242, 1281, 1357, 1403, 1449, 1593, 1647, 2478, 2562, 2714, 2806, 2898, 3186, 3294, 3599, 3717, 3843, 4071, 4209, 4347, 7198, 7434, 7686, 8142, 8418, 8694, 9499, 9821, 10797, 11151, 11529, 12213, 12627, 18998, 19642, 21594, 22302, 23058, 24426, 25193, 25254, 28497, 29463, 32391, 36639, 37881, 50386, 56994, 58926, 64782, 73278, 75579, 75762, 82777, 85491, 88389, 97173, 151158, 165554, 170982, 176778, 194346, 226737, 248331, 256473, 265167, 453474, 496662, 512946, 530334, 579439, 680211, 744993, 1158878, 1360422, 1489986, 1738317, 2234979, 3476634, 4469958, 5214951, 10429902, 15644853, 31289706]

約数ペア:

[(1, 31289706), (2, 15644853), (3, 10429902), (6, 5214951), (7, 4469958), (9, 3476634), (14, 2234979), (18, 1738317), (21, 1489986), (23, 1360422), (27, 1158878), (42, 744993), (46, 680211), (54, 579439), (59, 530334), (61, 512946), (63, 496662), (69, 453474), (118, 265167), (122, 256473), (126, 248331), (138, 226737), (161, 194346), (177, 176778), (183, 170982), (189, 165554), (207, 151158), (322, 97173), (354, 88389), (366, 85491), (378, 82777), (413, 75762), (414, 75579), (427, 73278), (483, 64782), (531, 58926), (549, 56994), (621, 50386), (826, 37881), (854, 36639), (966, 32391), (1062, 29463), (1098, 28497), (1239, 25254), (1242, 25193), (1281, 24426), (1357, 23058), (1403, 22302), (1449, 21594), (1593, 19642), (1647, 18998), (2478, 12627), (2562, 12213), (2714, 11529), (2806, 11151), (2898, 10797), (3186, 9821), (3294, 9499), (3599, 8694), (3717, 8418), (3843, 8142), (4071, 7686), (4209, 7434), (4347, 7198)]