2906235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 5559840

約数和(自身を除く): 2653605

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 131, 145, 153, 255, 261, 393, 435, 493, 655, 765, 1179, 1305, 1479, 1965, 2227, 2465, 3799, 4437, 5895, 6681, 7395, 11135, 11397, 18995, 20043, 22185, 33405, 34191, 56985, 64583, 100215, 170955, 193749, 322915, 581247, 968745, 2906235]

約数ペア:

[(1, 2906235), (3, 968745), (5, 581247), (9, 322915), (15, 193749), (17, 170955), (29, 100215), (45, 64583), (51, 56985), (85, 34191), (87, 33405), (131, 22185), (145, 20043), (153, 18995), (255, 11397), (261, 11135), (393, 7395), (435, 6681), (493, 5895), (655, 4437), (765, 3799), (1179, 2465), (1305, 2227), (1479, 1965)]