28837161

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 44605440

約数和(自身を除く): 15768279

約数列:

[1, 3, 9, 27, 31, 93, 131, 263, 279, 393, 789, 837, 1179, 2367, 3537, 4061, 7101, 8153, 12183, 24459, 34453, 36549, 73377, 103359, 109647, 220131, 310077, 930231, 1068043, 3204129, 9612387, 28837161]

約数ペア:

[(1, 28837161), (3, 9612387), (9, 3204129), (27, 1068043), (31, 930231), (93, 310077), (131, 220131), (263, 109647), (279, 103359), (393, 73377), (789, 36549), (837, 34453), (1179, 24459), (2367, 12183), (3537, 8153), (4061, 7101)]