997128195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{8641}}^1$

素因数の和:8820

約数の個数: 48

約数和(自身を含む): 1867916448

約数和(自身を除く): 870788253

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 471, 735, 785, 1099, 2355, 3297, 5495, 7693, 8641, 16485, 23079, 25923, 38465, 43205, 60487, 115395, 129615, 181461, 302435, 423409, 907305, 1270227, 1356637, 2117045, 4069911, 6351135, 6783185, 9496459, 20349555, 28489377, 47482295, 66475213, 142446885, 199425639, 332376065, 997128195]

約数ペア:

[(1, 997128195), (3, 332376065), (5, 199425639), (7, 142446885), (15, 66475213), (21, 47482295), (35, 28489377), (49, 20349555), (105, 9496459), (147, 6783185), (157, 6351135), (245, 4069911), (471, 2117045), (735, 1356637), (785, 1270227), (1099, 907305), (2355, 423409), (3297, 302435), (5495, 181461), (7693, 129615), (8641, 115395), (16485, 60487), (23079, 43205), (25923, 38465)]