1018215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 48

約数和(自身を含む): 2055456

約数和(自身を除く): 1037241

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 363, 495, 561, 605, 765, 935, 1089, 1331, 1683, 1815, 2057, 2805, 3993, 5445, 6171, 6655, 8415, 10285, 11979, 18513, 19965, 22627, 30855, 59895, 67881, 92565, 113135, 203643, 339405, 1018215]

約数ペア:

[(1, 1018215), (3, 339405), (5, 203643), (9, 113135), (11, 92565), (15, 67881), (17, 59895), (33, 30855), (45, 22627), (51, 19965), (55, 18513), (85, 11979), (99, 10285), (121, 8415), (153, 6655), (165, 6171), (187, 5445), (255, 3993), (363, 2805), (495, 2057), (561, 1815), (605, 1683), (765, 1331), (935, 1089)]