381013065

素因数分解:

$3^5\times 5^1\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 687331008

約数和(自身を除く): 306317943

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 557, 563, 1215, 1671, 1689, 2785, 2815, 5013, 5067, 8355, 8445, 15039, 15201, 25065, 25335, 45117, 45603, 75195, 76005, 135351, 136809, 225585, 228015, 313591, 676755, 684045, 940773, 1567955, 2822319, 4703865, 8466957, 14111595, 25400871, 42334785, 76202613, 127004355, 381013065]

約数ペア:

[(1, 381013065), (3, 127004355), (5, 76202613), (9, 42334785), (15, 25400871), (27, 14111595), (45, 8466957), (81, 4703865), (135, 2822319), (243, 1567955), (405, 940773), (557, 684045), (563, 676755), (1215, 313591), (1671, 228015), (1689, 225585), (2785, 136809), (2815, 135351), (5013, 76005), (5067, 75195), (8355, 45603), (8445, 45117), (15039, 25335), (15201, 25065)]