75149775

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 153941040

約数和(自身を除く): 78791265

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 37, 45, 51, 59, 75, 81, 85, 111, 135, 153, 177, 185, 225, 255, 295, 333, 405, 425, 459, 531, 555, 629, 675, 765, 885, 925, 999, 1003, 1275, 1377, 1475, 1593, 1665, 1887, 2025, 2183, 2295, 2655, 2775, 2997, 3009, 3145, 3825, 4425, 4779, 4995, 5015, 5661, 6549, 6885, 7965, 8325, 9027, 9435, 10915, 11475, 13275, 14985, 15045, 15725, 16983, 19647, 23895, 24975, 25075, 27081, 28305, 32745, 34425, 37111, 39825, 45135, 47175, 50949, 54575, 58941, 74925, 75225, 81243, 84915, 98235, 111333, 119475, 135405, 141525, 163725, 176823, 185555, 225675, 254745, 294705, 333999, 406215, 424575, 491175, 556665, 677025, 884115, 927775, 1001997, 1273725, 1473525, 1669995, 2031075, 2783325, 3005991, 4420575, 5009985, 8349975, 15029955, 25049925, 75149775]

約数ペア:

[(1, 75149775), (3, 25049925), (5, 15029955), (9, 8349975), (15, 5009985), (17, 4420575), (25, 3005991), (27, 2783325), (37, 2031075), (45, 1669995), (51, 1473525), (59, 1273725), (75, 1001997), (81, 927775), (85, 884115), (111, 677025), (135, 556665), (153, 491175), (177, 424575), (185, 406215), (225, 333999), (255, 294705), (295, 254745), (333, 225675), (405, 185555), (425, 176823), (459, 163725), (531, 141525), (555, 135405), (629, 119475), (675, 111333), (765, 98235), (885, 84915), (925, 81243), (999, 75225), (1003, 74925), (1275, 58941), (1377, 54575), (1475, 50949), (1593, 47175), (1665, 45135), (1887, 39825), (2025, 37111), (2183, 34425), (2295, 32745), (2655, 28305), (2775, 27081), (2997, 25075), (3009, 24975), (3145, 23895), (3825, 19647), (4425, 16983), (4779, 15725), (4995, 15045), (5015, 14985), (5661, 13275), (6549, 11475), (6885, 10915), (7965, 9435), (8325, 9027)]