254744235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 488861568

約数和(自身を除く): 234117333

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 61, 85, 103, 153, 159, 183, 255, 265, 305, 309, 477, 515, 549, 765, 795, 901, 915, 927, 1037, 1545, 1751, 2385, 2703, 2745, 3111, 3233, 4505, 4635, 5185, 5253, 5459, 6283, 8109, 8755, 9333, 9699, 13515, 15555, 15759, 16165, 16377, 18849, 26265, 27295, 29097, 31415, 40545, 46665, 48495, 49131, 54961, 56547, 78795, 81885, 92803, 94245, 106811, 145485, 164883, 245655, 274805, 278409, 282735, 320433, 332999, 464015, 494649, 534055, 824415, 835227, 961299, 998997, 1392045, 1602165, 1664995, 2473245, 2996991, 4176135, 4806495, 4994985, 5660983, 14984955, 16982949, 28304915, 50948847, 84914745, 254744235]

約数ペア:

[(1, 254744235), (3, 84914745), (5, 50948847), (9, 28304915), (15, 16982949), (17, 14984955), (45, 5660983), (51, 4994985), (53, 4806495), (61, 4176135), (85, 2996991), (103, 2473245), (153, 1664995), (159, 1602165), (183, 1392045), (255, 998997), (265, 961299), (305, 835227), (309, 824415), (477, 534055), (515, 494649), (549, 464015), (765, 332999), (795, 320433), (901, 282735), (915, 278409), (927, 274805), (1037, 245655), (1545, 164883), (1751, 145485), (2385, 106811), (2703, 94245), (2745, 92803), (3111, 81885), (3233, 78795), (4505, 56547), (4635, 54961), (5185, 49131), (5253, 48495), (5459, 46665), (6283, 40545), (8109, 31415), (8755, 29097), (9333, 27295), (9699, 26265), (13515, 18849), (15555, 16377), (15759, 16165)]