201678405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{2423}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 335093760

約数和(自身を除く): 133415355

約数列:

[1, 3, 5, 15, 31, 93, 155, 179, 465, 537, 895, 2423, 2685, 5549, 7269, 12115, 16647, 27745, 36345, 75113, 83235, 225339, 375565, 433717, 1126695, 1301151, 2168585, 6505755, 13445227, 40335681, 67226135, 201678405]

約数ペア:

[(1, 201678405), (3, 67226135), (5, 40335681), (15, 13445227), (31, 6505755), (93, 2168585), (155, 1301151), (179, 1126695), (465, 433717), (537, 375565), (895, 225339), (2423, 83235), (2685, 75113), (5549, 36345), (7269, 27745), (12115, 16647)]