2800455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 5184000

約数和(自身を除く): 2383545

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 179, 447, 537, 745, 895, 1043, 1253, 2235, 2685, 3129, 3759, 5215, 6265, 15645, 18795, 26671, 80013, 133355, 186697, 400065, 560091, 933485, 2800455]

約数ペア:

[(1, 2800455), (3, 933485), (5, 560091), (7, 400065), (15, 186697), (21, 133355), (35, 80013), (105, 26671), (149, 18795), (179, 15645), (447, 6265), (537, 5215), (745, 3759), (895, 3129), (1043, 2685), (1253, 2235)]