1645945

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 32

約数和(自身を含む): 2451456

約数和(自身を除く): 805511

約数列:

[1, 5, 7, 31, 35, 37, 41, 155, 185, 205, 217, 259, 287, 1085, 1147, 1271, 1295, 1435, 1517, 5735, 6355, 7585, 8029, 8897, 10619, 40145, 44485, 47027, 53095, 235135, 329189, 1645945]

約数ペア:

[(1, 1645945), (5, 329189), (7, 235135), (31, 53095), (35, 47027), (37, 44485), (41, 40145), (155, 10619), (185, 8897), (205, 8029), (217, 7585), (259, 6355), (287, 5735), (1085, 1517), (1147, 1435), (1271, 1295)]