4457025

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 60

約数和(自身を含む): 8642304

約数和(自身を除く): 4185279

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 71, 75, 81, 93, 135, 155, 213, 225, 279, 355, 405, 465, 639, 675, 775, 837, 1065, 1395, 1775, 1917, 2025, 2201, 2325, 2511, 3195, 4185, 5325, 5751, 6603, 6975, 9585, 11005, 12555, 15975, 19809, 20925, 28755, 33015, 47925, 55025, 59427, 62775, 99045, 143775, 165075, 178281, 297135, 495225, 891405, 1485675, 4457025]

約数ペア:

[(1, 4457025), (3, 1485675), (5, 891405), (9, 495225), (15, 297135), (25, 178281), (27, 165075), (31, 143775), (45, 99045), (71, 62775), (75, 59427), (81, 55025), (93, 47925), (135, 33015), (155, 28755), (213, 20925), (225, 19809), (279, 15975), (355, 12555), (405, 11005), (465, 9585), (639, 6975), (675, 6603), (775, 5751), (837, 5325), (1065, 4185), (1395, 3195), (1775, 2511), (1917, 2325), (2025, 2201)]