208443675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 384197632

約数和(自身を除く): 175753957

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 103, 121, 165, 223, 275, 309, 363, 515, 605, 669, 825, 1115, 1133, 1545, 1815, 2453, 2575, 3025, 3345, 3399, 5575, 5665, 7359, 7725, 9075, 12265, 12463, 16725, 16995, 22969, 26983, 28325, 36795, 37389, 61325, 62315, 68907, 80949, 84975, 114845, 134915, 183975, 186945, 252659, 311575, 344535, 404745, 574225, 674575, 757977, 934725, 1263295, 1722675, 2023725, 2779249, 3789885, 6316475, 8337747, 13896245, 18949425, 41688735, 69481225, 208443675]

約数ペア:

[(1, 208443675), (3, 69481225), (5, 41688735), (11, 18949425), (15, 13896245), (25, 8337747), (33, 6316475), (55, 3789885), (75, 2779249), (103, 2023725), (121, 1722675), (165, 1263295), (223, 934725), (275, 757977), (309, 674575), (363, 574225), (515, 404745), (605, 344535), (669, 311575), (825, 252659), (1115, 186945), (1133, 183975), (1545, 134915), (1815, 114845), (2453, 84975), (2575, 80949), (3025, 68907), (3345, 62315), (3399, 61325), (5575, 37389), (5665, 36795), (7359, 28325), (7725, 26983), (9075, 22969), (12265, 16995), (12463, 16725)]