6421155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 11858400

約数和(自身を除く): 5437245

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 149, 169, 195, 221, 255, 447, 507, 663, 745, 845, 1105, 1937, 2235, 2533, 2535, 2873, 3315, 5811, 7599, 8619, 9685, 12665, 14365, 25181, 29055, 32929, 37995, 43095, 75543, 98787, 125905, 164645, 377715, 428077, 493935, 1284231, 2140385, 6421155]

約数ペア:

[(1, 6421155), (3, 2140385), (5, 1284231), (13, 493935), (15, 428077), (17, 377715), (39, 164645), (51, 125905), (65, 98787), (85, 75543), (149, 43095), (169, 37995), (195, 32929), (221, 29055), (255, 25181), (447, 14365), (507, 12665), (663, 9685), (745, 8619), (845, 7599), (1105, 5811), (1937, 3315), (2235, 2873), (2533, 2535)]