31581495

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 34462665

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 139, 153, 165, 187, 243, 255, 297, 405, 417, 459, 495, 561, 695, 765, 891, 935, 1215, 1251, 1377, 1485, 1529, 1683, 2085, 2295, 2363, 2673, 2805, 3753, 4131, 4455, 4587, 5049, 6255, 6885, 7089, 7645, 8415, 11259, 11815, 13365, 13761, 15147, 18765, 20655, 21267, 22935, 25245, 25993, 33777, 35445, 41283, 45441, 56295, 63801, 68805, 75735, 77979, 106335, 123849, 129965, 168885, 191403, 206415, 227205, 233937, 319005, 371547, 389895, 574209, 619245, 701811, 957015, 1169685, 1857735, 2105433, 2871045, 3509055, 6316299, 10527165, 31581495]

約数ペア:

[(1, 31581495), (3, 10527165), (5, 6316299), (9, 3509055), (11, 2871045), (15, 2105433), (17, 1857735), (27, 1169685), (33, 957015), (45, 701811), (51, 619245), (55, 574209), (81, 389895), (85, 371547), (99, 319005), (135, 233937), (139, 227205), (153, 206415), (165, 191403), (187, 168885), (243, 129965), (255, 123849), (297, 106335), (405, 77979), (417, 75735), (459, 68805), (495, 63801), (561, 56295), (695, 45441), (765, 41283), (891, 35445), (935, 33777), (1215, 25993), (1251, 25245), (1377, 22935), (1485, 21267), (1529, 20655), (1683, 18765), (2085, 15147), (2295, 13761), (2363, 13365), (2673, 11815), (2805, 11259), (3753, 8415), (4131, 7645), (4455, 7089), (4587, 6885), (5049, 6255)]