25316151

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 41256960

約数和(自身を除く): 15940809

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 947, 1273, 1407, 2841, 3819, 6629, 8911, 17993, 19887, 26733, 53979, 63449, 125951, 190347, 377853, 444143, 1205531, 1332429, 3616593, 8438717, 25316151]

約数ペア:

[(1, 25316151), (3, 8438717), (7, 3616593), (19, 1332429), (21, 1205531), (57, 444143), (67, 377853), (133, 190347), (201, 125951), (399, 63449), (469, 53979), (947, 26733), (1273, 19887), (1407, 17993), (2841, 8911), (3819, 6629)]