201423825

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 374499840

約数和(自身を除く): 173076015

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 109, 129, 191, 215, 225, 327, 387, 545, 573, 645, 955, 981, 1075, 1635, 1719, 1935, 2725, 2865, 3225, 4687, 4775, 4905, 8175, 8213, 8595, 9675, 14061, 14325, 20819, 23435, 24525, 24639, 41065, 42183, 42975, 62457, 70305, 73917, 104095, 117175, 123195, 187371, 205325, 210915, 312285, 351525, 369585, 520475, 615975, 895217, 936855, 1054575, 1561425, 1847925, 2685651, 4476085, 4684275, 8056953, 13428255, 22380425, 40284765, 67141275, 201423825]

約数ペア:

[(1, 201423825), (3, 67141275), (5, 40284765), (9, 22380425), (15, 13428255), (25, 8056953), (43, 4684275), (45, 4476085), (75, 2685651), (109, 1847925), (129, 1561425), (191, 1054575), (215, 936855), (225, 895217), (327, 615975), (387, 520475), (545, 369585), (573, 351525), (645, 312285), (955, 210915), (981, 205325), (1075, 187371), (1635, 123195), (1719, 117175), (1935, 104095), (2725, 73917), (2865, 70305), (3225, 62457), (4687, 42975), (4775, 42183), (4905, 41065), (8175, 24639), (8213, 24525), (8595, 23435), (9675, 20819), (14061, 14325)]