213960231

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{1039}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 329472000

約数和(自身を除く): 115511769

約数列:

[1, 3, 9, 27, 29, 87, 261, 263, 783, 789, 1039, 2367, 3117, 7101, 7627, 9351, 22881, 28053, 30131, 68643, 90393, 205929, 271179, 273257, 813537, 819771, 2459313, 7377939, 7924453, 23773359, 71320077, 213960231]

約数ペア:

[(1, 213960231), (3, 71320077), (9, 23773359), (27, 7924453), (29, 7377939), (87, 2459313), (261, 819771), (263, 813537), (783, 273257), (789, 271179), (1039, 205929), (2367, 90393), (3117, 68643), (7101, 30131), (7627, 28053), (9351, 22881)]