42538419

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 83174400

約数和(自身を除く): 40635981

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 49, 63, 77, 79, 99, 111, 147, 189, 231, 237, 259, 297, 333, 407, 441, 539, 553, 693, 711, 777, 869, 999, 1221, 1323, 1617, 1659, 1813, 2079, 2133, 2331, 2607, 2849, 2923, 3663, 3871, 4851, 4977, 5439, 6083, 6993, 7821, 8547, 8769, 10989, 11613, 14553, 14931, 16317, 18249, 19943, 20461, 23463, 25641, 26307, 32153, 34839, 42581, 48951, 54747, 59829, 61383, 76923, 78921, 96459, 104517, 127743, 143227, 164241, 179487, 184149, 225071, 289377, 383229, 429681, 538461, 552447, 675213, 868131, 1149687, 1289043, 1575497, 2025639, 3867129, 4726491, 6076917, 14179473, 42538419]

約数ペア:

[(1, 42538419), (3, 14179473), (7, 6076917), (9, 4726491), (11, 3867129), (21, 2025639), (27, 1575497), (33, 1289043), (37, 1149687), (49, 868131), (63, 675213), (77, 552447), (79, 538461), (99, 429681), (111, 383229), (147, 289377), (189, 225071), (231, 184149), (237, 179487), (259, 164241), (297, 143227), (333, 127743), (407, 104517), (441, 96459), (539, 78921), (553, 76923), (693, 61383), (711, 59829), (777, 54747), (869, 48951), (999, 42581), (1221, 34839), (1323, 32153), (1617, 26307), (1659, 25641), (1813, 23463), (2079, 20461), (2133, 19943), (2331, 18249), (2607, 16317), (2849, 14931), (2923, 14553), (3663, 11613), (3871, 10989), (4851, 8769), (4977, 8547), (5439, 7821), (6083, 6993)]