40031979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 58573200

約数和(自身を除く): 18541221

約数列:

[1, 3, 13, 39, 83, 149, 249, 447, 1079, 1937, 3237, 5811, 6889, 12367, 20667, 37101, 89557, 160771, 268671, 482313, 1026461, 3079383, 13343993, 40031979]

約数ペア:

[(1, 40031979), (3, 13343993), (13, 3079383), (39, 1026461), (83, 482313), (149, 268671), (249, 160771), (447, 89557), (1079, 37101), (1937, 20667), (3237, 12367), (5811, 6889)]