18118485

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 41713056

約数和(自身を除く): 23594571

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 81, 83, 99, 105, 135, 147, 165, 189, 231, 245, 249, 297, 315, 385, 405, 415, 441, 495, 539, 567, 581, 693, 735, 747, 891, 913, 945, 1155, 1245, 1323, 1485, 1617, 1743, 2079, 2205, 2241, 2695, 2739, 2835, 2905, 3465, 3735, 3969, 4067, 4455, 4565, 4851, 5229, 6237, 6391, 6615, 6723, 8085, 8217, 8715, 10395, 11205, 12201, 13695, 14553, 15687, 19173, 19845, 20335, 24255, 24651, 26145, 31185, 31955, 33615, 36603, 41085, 43659, 44737, 47061, 57519, 61005, 72765, 73953, 78435, 95865, 109809, 123255, 134211, 172557, 183015, 218295, 223685, 235305, 287595, 329427, 369765, 402633, 517671, 549045, 671055, 862785, 1207899, 1647135, 2013165, 2588355, 3623697, 6039495, 18118485]

約数ペア:

[(1, 18118485), (3, 6039495), (5, 3623697), (7, 2588355), (9, 2013165), (11, 1647135), (15, 1207899), (21, 862785), (27, 671055), (33, 549045), (35, 517671), (45, 402633), (49, 369765), (55, 329427), (63, 287595), (77, 235305), (81, 223685), (83, 218295), (99, 183015), (105, 172557), (135, 134211), (147, 123255), (165, 109809), (189, 95865), (231, 78435), (245, 73953), (249, 72765), (297, 61005), (315, 57519), (385, 47061), (405, 44737), (415, 43659), (441, 41085), (495, 36603), (539, 33615), (567, 31955), (581, 31185), (693, 26145), (735, 24651), (747, 24255), (891, 20335), (913, 19845), (945, 19173), (1155, 15687), (1245, 14553), (1323, 13695), (1485, 12201), (1617, 11205), (1743, 10395), (2079, 8715), (2205, 8217), (2241, 8085), (2695, 6723), (2739, 6615), (2835, 6391), (2905, 6237), (3465, 5229), (3735, 4851), (3969, 4565), (4067, 4455)]