78921081

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 120320640

約数和(自身を除く): 41399559

約数列:

[1, 3, 9, 27, 53, 131, 159, 393, 421, 477, 1179, 1263, 1431, 3537, 3789, 6943, 11367, 20829, 22313, 55151, 62487, 66939, 165453, 187461, 200817, 496359, 602451, 1489077, 2923003, 8769009, 26307027, 78921081]

約数ペア:

[(1, 78921081), (3, 26307027), (9, 8769009), (27, 2923003), (53, 1489077), (131, 602451), (159, 496359), (393, 200817), (421, 187461), (477, 165453), (1179, 66939), (1263, 62487), (1431, 55151), (3537, 22313), (3789, 20829), (6943, 11367)]