219325281

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 340070400

約数和(自身を除く): 120745119

約数列:

[1, 3, 7, 21, 89, 239, 267, 491, 623, 717, 1473, 1673, 1869, 3437, 5019, 10311, 21271, 43699, 63813, 117349, 131097, 148897, 305893, 352047, 446691, 821443, 917679, 2464329, 10444061, 31332183, 73108427, 219325281]

約数ペア:

[(1, 219325281), (3, 73108427), (7, 31332183), (21, 10444061), (89, 2464329), (239, 917679), (267, 821443), (491, 446691), (623, 352047), (717, 305893), (1473, 148897), (1673, 131097), (1869, 117349), (3437, 63813), (5019, 43699), (10311, 21271)]