1285515

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 2881008

約数和(自身を除く): 1595493

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 53, 55, 63, 77, 99, 105, 147, 159, 165, 231, 245, 265, 315, 371, 385, 441, 477, 495, 539, 583, 693, 735, 795, 1113, 1155, 1617, 1749, 1855, 2205, 2385, 2597, 2695, 2915, 3339, 3465, 4081, 4851, 5247, 5565, 7791, 8085, 8745, 12243, 12985, 16695, 20405, 23373, 24255, 26235, 28567, 36729, 38955, 61215, 85701, 116865, 142835, 183645, 257103, 428505, 1285515]

約数ペア:

[(1, 1285515), (3, 428505), (5, 257103), (7, 183645), (9, 142835), (11, 116865), (15, 85701), (21, 61215), (33, 38955), (35, 36729), (45, 28567), (49, 26235), (53, 24255), (55, 23373), (63, 20405), (77, 16695), (99, 12985), (105, 12243), (147, 8745), (159, 8085), (165, 7791), (231, 5565), (245, 5247), (265, 4851), (315, 4081), (371, 3465), (385, 3339), (441, 2915), (477, 2695), (495, 2597), (539, 2385), (583, 2205), (693, 1855), (735, 1749), (795, 1617), (1113, 1155)]