16639425

素因数分解:

$3^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:122

約数の個数: 84

約数和(自身を含む): 34154064

約数和(自身を除く): 17514639

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 83, 99, 135, 165, 225, 243, 249, 275, 297, 405, 415, 495, 675, 729, 747, 825, 891, 913, 1215, 1245, 1485, 2025, 2075, 2241, 2475, 2673, 2739, 3645, 3735, 4455, 4565, 6075, 6225, 6723, 7425, 8019, 8217, 11205, 13365, 13695, 18225, 18675, 20169, 22275, 22825, 24651, 33615, 40095, 41085, 56025, 60507, 66825, 68475, 73953, 100845, 123255, 168075, 200475, 205425, 221859, 302535, 369765, 504225, 616275, 665577, 1109295, 1512675, 1848825, 3327885, 5546475, 16639425]

約数ペア:

[(1, 16639425), (3, 5546475), (5, 3327885), (9, 1848825), (11, 1512675), (15, 1109295), (25, 665577), (27, 616275), (33, 504225), (45, 369765), (55, 302535), (75, 221859), (81, 205425), (83, 200475), (99, 168075), (135, 123255), (165, 100845), (225, 73953), (243, 68475), (249, 66825), (275, 60507), (297, 56025), (405, 41085), (415, 40095), (495, 33615), (675, 24651), (729, 22825), (747, 22275), (825, 20169), (891, 18675), (913, 18225), (1215, 13695), (1245, 13365), (1485, 11205), (2025, 8217), (2075, 8019), (2241, 7425), (2475, 6723), (2673, 6225), (2739, 6075), (3645, 4565), (3735, 4455)]