221623129

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2503}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 279746880

約数和(自身を除く): 58123751

約数列:

[1, 7, 13, 49, 91, 139, 637, 973, 1807, 2503, 6811, 12649, 17521, 32539, 88543, 122647, 227773, 347917, 1594411, 2435419, 4522921, 17047933, 31660447, 221623129]

約数ペア:

[(1, 221623129), (7, 31660447), (13, 17047933), (49, 4522921), (91, 2435419), (139, 1594411), (637, 347917), (973, 227773), (1807, 122647), (2503, 88543), (6811, 32539), (12649, 17521)]