213175053

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 409473792

約数和(自身を除く): 196298739

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 61, 63, 91, 117, 119, 153, 183, 221, 251, 273, 357, 427, 549, 663, 753, 793, 819, 1037, 1071, 1281, 1547, 1757, 1989, 2259, 2379, 3111, 3263, 3843, 4267, 4641, 5271, 5551, 7137, 7259, 9333, 9789, 12801, 13481, 13923, 15311, 15813, 16653, 21777, 22841, 29367, 29869, 38403, 40443, 45933, 49959, 55471, 65331, 68523, 89607, 94367, 107177, 121329, 137799, 166413, 199043, 205569, 260287, 268821, 283101, 321531, 388297, 499239, 597129, 780861, 849303, 964593, 1164891, 1393301, 1791387, 1822009, 2342583, 3383731, 3494673, 4179903, 5466027, 10151193, 12539709, 16398081, 23686117, 30453579, 71058351, 213175053]

約数ペア:

[(1, 213175053), (3, 71058351), (7, 30453579), (9, 23686117), (13, 16398081), (17, 12539709), (21, 10151193), (39, 5466027), (51, 4179903), (61, 3494673), (63, 3383731), (91, 2342583), (117, 1822009), (119, 1791387), (153, 1393301), (183, 1164891), (221, 964593), (251, 849303), (273, 780861), (357, 597129), (427, 499239), (549, 388297), (663, 321531), (753, 283101), (793, 268821), (819, 260287), (1037, 205569), (1071, 199043), (1281, 166413), (1547, 137799), (1757, 121329), (1989, 107177), (2259, 94367), (2379, 89607), (3111, 68523), (3263, 65331), (3843, 55471), (4267, 49959), (4641, 45933), (5271, 40443), (5551, 38403), (7137, 29869), (7259, 29367), (9333, 22841), (9789, 21777), (12801, 16653), (13481, 15813), (13923, 15311)]