31820175

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 64281600

約数和(自身を除く): 32461425

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 47, 51, 59, 75, 85, 135, 141, 153, 177, 225, 235, 255, 295, 423, 425, 459, 531, 675, 705, 765, 799, 885, 1003, 1175, 1269, 1275, 1475, 1593, 2115, 2295, 2397, 2655, 2773, 3009, 3525, 3825, 3995, 4425, 5015, 6345, 7191, 7965, 8319, 9027, 10575, 11475, 11985, 13275, 13865, 15045, 19975, 21573, 24957, 25075, 27081, 31725, 35955, 39825, 41595, 45135, 47141, 59925, 69325, 74871, 75225, 107865, 124785, 135405, 141423, 179775, 207975, 225675, 235705, 374355, 424269, 539325, 623925, 677025, 707115, 1178525, 1272807, 1871775, 2121345, 3535575, 6364035, 10606725, 31820175]

約数ペア:

[(1, 31820175), (3, 10606725), (5, 6364035), (9, 3535575), (15, 2121345), (17, 1871775), (25, 1272807), (27, 1178525), (45, 707115), (47, 677025), (51, 623925), (59, 539325), (75, 424269), (85, 374355), (135, 235705), (141, 225675), (153, 207975), (177, 179775), (225, 141423), (235, 135405), (255, 124785), (295, 107865), (423, 75225), (425, 74871), (459, 69325), (531, 59925), (675, 47141), (705, 45135), (765, 41595), (799, 39825), (885, 35955), (1003, 31725), (1175, 27081), (1269, 25075), (1275, 24957), (1475, 21573), (1593, 19975), (2115, 15045), (2295, 13865), (2397, 13275), (2655, 11985), (2773, 11475), (3009, 10575), (3525, 9027), (3825, 8319), (3995, 7965), (4425, 7191), (5015, 6345)]