2666115

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 4965840

約数和(自身を除く): 2299725

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 227, 261, 405, 435, 681, 783, 1135, 1305, 2043, 2349, 3405, 3915, 6129, 6583, 10215, 11745, 18387, 19749, 30645, 32915, 59247, 91935, 98745, 177741, 296235, 533223, 888705, 2666115]

約数ペア:

[(1, 2666115), (3, 888705), (5, 533223), (9, 296235), (15, 177741), (27, 98745), (29, 91935), (45, 59247), (81, 32915), (87, 30645), (135, 19749), (145, 18387), (227, 11745), (261, 10215), (405, 6583), (435, 6129), (681, 3915), (783, 3405), (1135, 2349), (1305, 2043)]