209388645

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27211}}^1$

素因数の和:27247

約数の個数: 40

約数和(自身を含む): 395118240

約数和(自身を除く): 185729595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 27211, 81633, 136055, 244899, 408165, 517009, 734697, 1224495, 1551027, 2204091, 2585045, 3673485, 4653081, 7755135, 11020455, 13959243, 23265405, 41877729, 69796215, 209388645]

約数ペア:

[(1, 209388645), (3, 69796215), (5, 41877729), (9, 23265405), (15, 13959243), (19, 11020455), (27, 7755135), (45, 4653081), (57, 3673485), (81, 2585045), (95, 2204091), (135, 1551027), (171, 1224495), (285, 734697), (405, 517009), (513, 408165), (855, 244899), (1539, 136055), (2565, 81633), (7695, 27211)]