28107702

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 77137920

約数和(自身を除く): 49030218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 53, 54, 61, 63, 69, 106, 122, 126, 138, 159, 161, 183, 189, 207, 318, 322, 366, 371, 378, 414, 427, 477, 483, 549, 621, 742, 854, 954, 966, 1098, 1113, 1219, 1242, 1281, 1403, 1431, 1449, 1647, 2226, 2438, 2562, 2806, 2862, 2898, 3233, 3294, 3339, 3657, 3843, 4209, 4347, 6466, 6678, 7314, 7686, 8418, 8533, 8694, 9699, 9821, 10017, 10971, 11529, 12627, 17066, 19398, 19642, 20034, 21942, 22631, 23058, 25254, 25599, 29097, 29463, 32913, 37881, 45262, 51198, 58194, 58926, 65826, 67893, 74359, 75762, 76797, 87291, 88389, 135786, 148718, 153594, 174582, 176778, 203679, 223077, 230391, 265167, 407358, 446154, 460782, 520513, 530334, 611037, 669231, 1041026, 1222074, 1338462, 1561539, 2007693, 3123078, 4015386, 4684617, 9369234, 14053851, 28107702]

約数ペア:

[(1, 28107702), (2, 14053851), (3, 9369234), (6, 4684617), (7, 4015386), (9, 3123078), (14, 2007693), (18, 1561539), (21, 1338462), (23, 1222074), (27, 1041026), (42, 669231), (46, 611037), (53, 530334), (54, 520513), (61, 460782), (63, 446154), (69, 407358), (106, 265167), (122, 230391), (126, 223077), (138, 203679), (159, 176778), (161, 174582), (183, 153594), (189, 148718), (207, 135786), (318, 88389), (322, 87291), (366, 76797), (371, 75762), (378, 74359), (414, 67893), (427, 65826), (477, 58926), (483, 58194), (549, 51198), (621, 45262), (742, 37881), (854, 32913), (954, 29463), (966, 29097), (1098, 25599), (1113, 25254), (1219, 23058), (1242, 22631), (1281, 21942), (1403, 20034), (1431, 19642), (1449, 19398), (1647, 17066), (2226, 12627), (2438, 11529), (2562, 10971), (2806, 10017), (2862, 9821), (2898, 9699), (3233, 8694), (3294, 8533), (3339, 8418), (3657, 7686), (3843, 7314), (4209, 6678), (4347, 6466)]