203910903

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 369729360

約数和(自身を除く): 165818457

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 59, 63, 119, 147, 153, 177, 357, 413, 441, 461, 531, 833, 1003, 1071, 1239, 1383, 2499, 2891, 3009, 3227, 3717, 4149, 7021, 7497, 7837, 8673, 9027, 9681, 21063, 22589, 23511, 26019, 27199, 29043, 49147, 54859, 63189, 67767, 70533, 81597, 147441, 164577, 190393, 203301, 244791, 384013, 442323, 462383, 493731, 571179, 1152039, 1332751, 1387149, 1713537, 3236681, 3456117, 3998253, 4161447, 9710043, 11994759, 22656767, 29130129, 67970301, 203910903]

約数ペア:

[(1, 203910903), (3, 67970301), (7, 29130129), (9, 22656767), (17, 11994759), (21, 9710043), (49, 4161447), (51, 3998253), (59, 3456117), (63, 3236681), (119, 1713537), (147, 1387149), (153, 1332751), (177, 1152039), (357, 571179), (413, 493731), (441, 462383), (461, 442323), (531, 384013), (833, 244791), (1003, 203301), (1071, 190393), (1239, 164577), (1383, 147441), (2499, 81597), (2891, 70533), (3009, 67767), (3227, 63189), (3717, 54859), (4149, 49147), (7021, 29043), (7497, 27199), (7837, 26019), (8673, 23511), (9027, 22589), (9681, 21063)]