168668871

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{5351}}^1$

素因数の和:5459

約数の個数: 32

約数和(自身を含む): 274022400

約数和(自身を除く): 105353529

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 4503, 5351, 10507, 16053, 31521, 37457, 101669, 112371, 305007, 422729, 711683, 1268187, 2135049, 2959103, 8031851, 8877309, 24095553, 56222957, 168668871]

約数ペア:

[(1, 168668871), (3, 56222957), (7, 24095553), (19, 8877309), (21, 8031851), (57, 2959103), (79, 2135049), (133, 1268187), (237, 711683), (399, 422729), (553, 305007), (1501, 112371), (1659, 101669), (4503, 37457), (5351, 31521), (10507, 16053)]