203411691

素因数分解:

$3^2\times 7^3\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 345945600

約数和(自身を除く): 142533909

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 343, 393, 441, 503, 917, 1029, 1179, 1509, 2751, 3087, 3521, 4527, 6419, 8253, 10563, 19257, 24647, 31689, 44933, 57771, 65893, 73941, 134799, 172529, 197679, 221823, 404397, 461251, 517587, 593037, 1383753, 1552761, 3228757, 4151259, 9686271, 22601299, 29058813, 67803897, 203411691]

約数ペア:

[(1, 203411691), (3, 67803897), (7, 29058813), (9, 22601299), (21, 9686271), (49, 4151259), (63, 3228757), (131, 1552761), (147, 1383753), (343, 593037), (393, 517587), (441, 461251), (503, 404397), (917, 221823), (1029, 197679), (1179, 172529), (1509, 134799), (2751, 73941), (3087, 65893), (3521, 57771), (4527, 44933), (6419, 31689), (8253, 24647), (10563, 19257)]