66879981

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{947}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 118310400

約数和(自身を除く): 51430419

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 399, 413, 531, 947, 1121, 1197, 1239, 2841, 3363, 3717, 6629, 7847, 8523, 10089, 17993, 19887, 23541, 53979, 55873, 59661, 70623, 125951, 161937, 167619, 377853, 391111, 502857, 1061587, 1133559, 1173333, 3184761, 3519999, 7431109, 9554283, 22293327, 66879981]

約数ペア:

[(1, 66879981), (3, 22293327), (7, 9554283), (9, 7431109), (19, 3519999), (21, 3184761), (57, 1173333), (59, 1133559), (63, 1061587), (133, 502857), (171, 391111), (177, 377853), (399, 167619), (413, 161937), (531, 125951), (947, 70623), (1121, 59661), (1197, 55873), (1239, 53979), (2841, 23541), (3363, 19887), (3717, 17993), (6629, 10089), (7847, 8523)]