61638165

素因数分解:

$3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 112152768

約数和(自身を除く): 50514603

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 243, 291, 405, 485, 523, 873, 1215, 1455, 1569, 2615, 2619, 4365, 4707, 7845, 7857, 13095, 14121, 23535, 23571, 39285, 42363, 50731, 70605, 117855, 127089, 152193, 211815, 253655, 456579, 635445, 760965, 1369737, 2282895, 4109211, 6848685, 12327633, 20546055, 61638165]

約数ペア:

[(1, 61638165), (3, 20546055), (5, 12327633), (9, 6848685), (15, 4109211), (27, 2282895), (45, 1369737), (81, 760965), (97, 635445), (135, 456579), (243, 253655), (291, 211815), (405, 152193), (485, 127089), (523, 117855), (873, 70605), (1215, 50731), (1455, 42363), (1569, 39285), (2615, 23571), (2619, 23535), (4365, 14121), (4707, 13095), (7845, 7857)]