71583345

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 140036688

約数和(自身を除く): 68453343

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 81, 85, 111, 135, 153, 185, 255, 281, 333, 405, 459, 555, 629, 765, 843, 999, 1377, 1405, 1665, 1887, 2295, 2529, 2997, 3145, 4215, 4777, 4995, 5661, 6885, 7587, 9435, 10397, 12645, 14331, 14985, 16983, 22761, 23885, 28305, 31191, 37935, 42993, 50949, 51985, 71655, 84915, 93573, 113805, 128979, 155955, 176749, 214965, 254745, 280719, 386937, 467865, 530247, 644895, 842157, 883745, 1403595, 1590741, 1934685, 2651235, 4210785, 4772223, 7953705, 14316669, 23861115, 71583345]

約数ペア:

[(1, 71583345), (3, 23861115), (5, 14316669), (9, 7953705), (15, 4772223), (17, 4210785), (27, 2651235), (37, 1934685), (45, 1590741), (51, 1403595), (81, 883745), (85, 842157), (111, 644895), (135, 530247), (153, 467865), (185, 386937), (255, 280719), (281, 254745), (333, 214965), (405, 176749), (459, 155955), (555, 128979), (629, 113805), (765, 93573), (843, 84915), (999, 71655), (1377, 51985), (1405, 50949), (1665, 42993), (1887, 37935), (2295, 31191), (2529, 28305), (2997, 23885), (3145, 22761), (4215, 16983), (4777, 14985), (4995, 14331), (5661, 12645), (6885, 10397), (7587, 9435)]