201641205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 363110400

約数和(自身を除く): 161469195

約数列:

[1, 3, 5, 15, 19, 29, 31, 57, 87, 93, 95, 145, 155, 285, 435, 465, 551, 589, 787, 899, 1653, 1767, 2361, 2697, 2755, 2945, 3935, 4495, 8265, 8835, 11805, 13485, 14953, 17081, 22823, 24397, 44859, 51243, 68469, 73191, 74765, 85405, 114115, 121985, 224295, 256215, 342345, 365955, 433637, 463543, 707513, 1300911, 1390629, 2122539, 2168185, 2317715, 3537565, 6504555, 6953145, 10612695, 13442747, 40328241, 67213735, 201641205]

約数ペア:

[(1, 201641205), (3, 67213735), (5, 40328241), (15, 13442747), (19, 10612695), (29, 6953145), (31, 6504555), (57, 3537565), (87, 2317715), (93, 2168185), (95, 2122539), (145, 1390629), (155, 1300911), (285, 707513), (435, 463543), (465, 433637), (551, 365955), (589, 342345), (787, 256215), (899, 224295), (1653, 121985), (1767, 114115), (2361, 85405), (2697, 74765), (2755, 73191), (2945, 68469), (3935, 51243), (4495, 44859), (8265, 24397), (8835, 22823), (11805, 17081), (13485, 14953)]