15351975

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 54

約数和(自身を含む): 28812888

約数和(自身を除く): 13460913

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 71, 75, 93, 155, 213, 225, 279, 355, 465, 639, 775, 961, 1065, 1395, 1775, 2201, 2325, 2883, 3195, 4805, 5325, 6603, 6975, 8649, 11005, 14415, 15975, 19809, 24025, 33015, 43245, 55025, 68231, 72075, 99045, 165075, 204693, 216225, 341155, 495225, 614079, 1023465, 1705775, 3070395, 5117325, 15351975]

約数ペア:

[(1, 15351975), (3, 5117325), (5, 3070395), (9, 1705775), (15, 1023465), (25, 614079), (31, 495225), (45, 341155), (71, 216225), (75, 204693), (93, 165075), (155, 99045), (213, 72075), (225, 68231), (279, 55025), (355, 43245), (465, 33015), (639, 24025), (775, 19809), (961, 15975), (1065, 14415), (1395, 11005), (1775, 8649), (2201, 6975), (2325, 6603), (2883, 5325), (3195, 4805)]