201655575

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{823}}^1$

素因数の和:867

約数の個数: 90

約数和(自身を含む): 411079592

約数和(自身を除く): 209424017

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 121, 135, 165, 225, 275, 297, 363, 405, 495, 605, 675, 823, 825, 891, 1089, 1485, 1815, 2025, 2469, 2475, 3025, 3267, 4115, 4455, 5445, 7407, 7425, 9053, 9075, 9801, 12345, 16335, 20575, 22221, 22275, 27159, 27225, 37035, 45265, 49005, 61725, 66663, 81477, 81675, 99583, 111105, 135795, 185175, 226325, 244431, 245025, 298749, 333315, 407385, 497915, 555525, 678975, 733293, 896247, 1222155, 1493745, 1666575, 2036925, 2489575, 2688741, 3666465, 4481235, 6110775, 7468725, 8066223, 13443705, 18332325, 22406175, 40331115, 67218525, 201655575]

約数ペア:

[(1, 201655575), (3, 67218525), (5, 40331115), (9, 22406175), (11, 18332325), (15, 13443705), (25, 8066223), (27, 7468725), (33, 6110775), (45, 4481235), (55, 3666465), (75, 2688741), (81, 2489575), (99, 2036925), (121, 1666575), (135, 1493745), (165, 1222155), (225, 896247), (275, 733293), (297, 678975), (363, 555525), (405, 497915), (495, 407385), (605, 333315), (675, 298749), (823, 245025), (825, 244431), (891, 226325), (1089, 185175), (1485, 135795), (1815, 111105), (2025, 99583), (2469, 81675), (2475, 81477), (3025, 66663), (3267, 61725), (4115, 49005), (4455, 45265), (5445, 37035), (7407, 27225), (7425, 27159), (9053, 22275), (9075, 22221), (9801, 20575), (12345, 16335)]