38727975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 78994944

約数和(自身を除く): 40266969

約数列:

[1, 3, 5, 11, 13, 15, 23, 25, 33, 39, 55, 65, 69, 75, 115, 143, 157, 165, 195, 253, 275, 299, 325, 345, 429, 471, 575, 715, 759, 785, 825, 897, 975, 1265, 1495, 1725, 1727, 2041, 2145, 2355, 3289, 3575, 3611, 3795, 3925, 4485, 5181, 6123, 6325, 7475, 8635, 9867, 10205, 10725, 10833, 11775, 16445, 18055, 18975, 22425, 22451, 25905, 30615, 39721, 43175, 46943, 49335, 51025, 54165, 67353, 82225, 90275, 112255, 119163, 129525, 140829, 153075, 198605, 234715, 246675, 270825, 336765, 516373, 561275, 595815, 704145, 993025, 1173575, 1549119, 1683825, 2581865, 2979075, 3520725, 7745595, 12909325, 38727975]

約数ペア:

[(1, 38727975), (3, 12909325), (5, 7745595), (11, 3520725), (13, 2979075), (15, 2581865), (23, 1683825), (25, 1549119), (33, 1173575), (39, 993025), (55, 704145), (65, 595815), (69, 561275), (75, 516373), (115, 336765), (143, 270825), (157, 246675), (165, 234715), (195, 198605), (253, 153075), (275, 140829), (299, 129525), (325, 119163), (345, 112255), (429, 90275), (471, 82225), (575, 67353), (715, 54165), (759, 51025), (785, 49335), (825, 46943), (897, 43175), (975, 39721), (1265, 30615), (1495, 25905), (1725, 22451), (1727, 22425), (2041, 18975), (2145, 18055), (2355, 16445), (3289, 11775), (3575, 10833), (3611, 10725), (3795, 10205), (3925, 9867), (4485, 8635), (5181, 7475), (6123, 6325)]