203940873

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 314069184

約数和(自身を除く): 110128311

約数列:

[1, 3, 9, 43, 53, 61, 129, 159, 163, 183, 387, 477, 489, 549, 1467, 2279, 2623, 3233, 6837, 7009, 7869, 8639, 9699, 9943, 20511, 21027, 23607, 25917, 29097, 29829, 63081, 77751, 89487, 139019, 371477, 417057, 427549, 526979, 1114431, 1251171, 1282647, 1580937, 3343293, 3847941, 4742811, 22660097, 67980291, 203940873]

約数ペア:

[(1, 203940873), (3, 67980291), (9, 22660097), (43, 4742811), (53, 3847941), (61, 3343293), (129, 1580937), (159, 1282647), (163, 1251171), (183, 1114431), (387, 526979), (477, 427549), (489, 417057), (549, 371477), (1467, 139019), (2279, 89487), (2623, 77751), (3233, 63081), (6837, 29829), (7009, 29097), (7869, 25917), (8639, 23607), (9699, 21027), (9943, 20511)]