216971505525

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{461}}^1\times {\mathrm{20441}}^1$

素因数の和:21222

約数の個数: 48

約数和(自身を含む): 360693039168

約数和(自身を除く): 143721533643

約数列:

[1, 3, 5, 15, 25, 75, 307, 461, 921, 1383, 1535, 2305, 4605, 6915, 7675, 11525, 20441, 23025, 34575, 61323, 102205, 141527, 306615, 424581, 511025, 707635, 1533075, 2122905, 3538175, 6275387, 9423301, 10614525, 18826161, 28269903, 31376935, 47116505, 94130805, 141349515, 156884675, 235582525, 470654025, 706747575, 2892953407, 8678860221, 14464767035, 43394301105, 72323835175, 216971505525]

約数ペア:

[(1, 216971505525), (3, 72323835175), (5, 43394301105), (15, 14464767035), (25, 8678860221), (75, 2892953407), (307, 706747575), (461, 470654025), (921, 235582525), (1383, 156884675), (1535, 141349515), (2305, 94130805), (4605, 47116505), (6915, 31376935), (7675, 28269903), (11525, 18826161), (20441, 10614525), (23025, 9423301), (34575, 6275387), (61323, 3538175), (102205, 2122905), (141527, 1533075), (306615, 707635), (424581, 511025)]