421515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 842400

約数和(自身を除く): 420885

約数列:

[1, 3, 5, 9, 15, 17, 19, 29, 45, 51, 57, 85, 87, 95, 145, 153, 171, 255, 261, 285, 323, 435, 493, 551, 765, 855, 969, 1305, 1479, 1615, 1653, 2465, 2755, 2907, 4437, 4845, 4959, 7395, 8265, 9367, 14535, 22185, 24795, 28101, 46835, 84303, 140505, 421515]

約数ペア:

[(1, 421515), (3, 140505), (5, 84303), (9, 46835), (15, 28101), (17, 24795), (19, 22185), (29, 14535), (45, 9367), (51, 8265), (57, 7395), (85, 4959), (87, 4845), (95, 4437), (145, 2907), (153, 2755), (171, 2465), (255, 1653), (261, 1615), (285, 1479), (323, 1305), (435, 969), (493, 855), (551, 765)]