3978049131

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{569}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 6855321600

約数和(自身を除く): 2877272469

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 521, 569, 639, 1491, 1563, 1707, 1917, 3647, 3983, 4473, 4689, 5121, 10941, 11949, 13419, 14067, 15363, 32823, 35847, 36991, 40399, 98469, 107541, 110973, 121197, 258937, 282793, 296449, 332919, 363591, 776811, 848379, 889347, 998757, 1090773, 2075143, 2330433, 2545137, 2668041, 6225429, 6991299, 7635411, 8004123, 18676287, 21047879, 56028861, 63143637, 147335153, 189430911, 442005459, 568292733, 1326016377, 3978049131]

約数ペア:

[(1, 3978049131), (3, 1326016377), (7, 568292733), (9, 442005459), (21, 189430911), (27, 147335153), (63, 63143637), (71, 56028861), (189, 21047879), (213, 18676287), (497, 8004123), (521, 7635411), (569, 6991299), (639, 6225429), (1491, 2668041), (1563, 2545137), (1707, 2330433), (1917, 2075143), (3647, 1090773), (3983, 998757), (4473, 889347), (4689, 848379), (5121, 776811), (10941, 363591), (11949, 332919), (13419, 296449), (14067, 282793), (15363, 258937), (32823, 121197), (35847, 110973), (36991, 107541), (40399, 98469)]