320140065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{42943}}^1$

素因数の和:43029

約数の個数: 32

約数和(自身を含む): 593657856

約数和(自身を除く): 273517791

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 42943, 128829, 214715, 300601, 644145, 901803, 1503005, 3048953, 4509015, 9146859, 15244765, 21342671, 45734295, 64028013, 106713355, 320140065]

約数ペア:

[(1, 320140065), (3, 106713355), (5, 64028013), (7, 45734295), (15, 21342671), (21, 15244765), (35, 9146859), (71, 4509015), (105, 3048953), (213, 1503005), (355, 901803), (497, 644145), (1065, 300601), (1491, 214715), (2485, 128829), (7455, 42943)]