206672175

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 390513200

約数和(自身を除く): 183841025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 109, 135, 159, 225, 265, 327, 477, 545, 675, 795, 981, 1325, 1431, 1635, 2385, 2725, 2809, 2943, 3975, 4905, 5777, 7155, 8175, 8427, 11925, 14045, 14715, 17331, 24525, 25281, 28885, 35775, 42135, 51993, 70225, 73575, 75843, 86655, 126405, 144425, 155979, 210675, 259965, 306181, 379215, 433275, 632025, 779895, 918543, 1299825, 1530905, 1896075, 2755629, 3899475, 4592715, 7654525, 8266887, 13778145, 22963575, 41334435, 68890725, 206672175]

約数ペア:

[(1, 206672175), (3, 68890725), (5, 41334435), (9, 22963575), (15, 13778145), (25, 8266887), (27, 7654525), (45, 4592715), (53, 3899475), (75, 2755629), (109, 1896075), (135, 1530905), (159, 1299825), (225, 918543), (265, 779895), (327, 632025), (477, 433275), (545, 379215), (675, 306181), (795, 259965), (981, 210675), (1325, 155979), (1431, 144425), (1635, 126405), (2385, 86655), (2725, 75843), (2809, 73575), (2943, 70225), (3975, 51993), (4905, 42135), (5777, 35775), (7155, 28885), (8175, 25281), (8427, 24525), (11925, 17331), (14045, 14715)]