12171915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 25541568

約数和(自身を除く): 13369653

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 2273, 5355, 6819, 11365, 15911, 20457, 34095, 38641, 47733, 79555, 102285, 115923, 143199, 193205, 238665, 270487, 347769, 579615, 715995, 811461, 1352435, 1738845, 2434383, 4057305, 12171915]

約数ペア:

[(1, 12171915), (3, 4057305), (5, 2434383), (7, 1738845), (9, 1352435), (15, 811461), (17, 715995), (21, 579615), (35, 347769), (45, 270487), (51, 238665), (63, 193205), (85, 143199), (105, 115923), (119, 102285), (153, 79555), (255, 47733), (315, 38641), (357, 34095), (595, 20457), (765, 15911), (1071, 11365), (1785, 6819), (2273, 5355)]