38070405

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 73459584

約数和(自身を除く): 35389179

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 61, 67, 69, 81, 115, 135, 183, 201, 207, 305, 335, 345, 405, 549, 603, 621, 915, 1005, 1035, 1403, 1541, 1647, 1809, 1863, 2745, 3015, 3105, 4087, 4209, 4623, 4941, 5427, 7015, 7705, 8235, 9045, 9315, 12261, 12627, 13869, 20435, 21045, 23115, 24705, 27135, 36783, 37881, 41607, 61305, 63135, 69345, 94001, 110349, 113643, 124821, 183915, 189405, 208035, 282003, 331047, 470005, 551745, 568215, 624105, 846009, 1410015, 1655235, 2538027, 4230045, 7614081, 12690135, 38070405]

約数ペア:

[(1, 38070405), (3, 12690135), (5, 7614081), (9, 4230045), (15, 2538027), (23, 1655235), (27, 1410015), (45, 846009), (61, 624105), (67, 568215), (69, 551745), (81, 470005), (115, 331047), (135, 282003), (183, 208035), (201, 189405), (207, 183915), (305, 124821), (335, 113643), (345, 110349), (405, 94001), (549, 69345), (603, 63135), (621, 61305), (915, 41607), (1005, 37881), (1035, 36783), (1403, 27135), (1541, 24705), (1647, 23115), (1809, 21045), (1863, 20435), (2745, 13869), (3015, 12627), (3105, 12261), (4087, 9315), (4209, 9045), (4623, 8235), (4941, 7705), (5427, 7015)]