1620858405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{44123}}^1$

素因数の和:44241

約数の個数: 32

約数和(自身を含む): 2710978560

約数和(自身を除く): 1090120155

約数列:

[1, 3, 5, 15, 31, 79, 93, 155, 237, 395, 465, 1185, 2449, 7347, 12245, 36735, 44123, 132369, 220615, 661845, 1367813, 3485717, 4103439, 6839065, 10457151, 17428585, 20517195, 52285755, 108057227, 324171681, 540286135, 1620858405]

約数ペア:

[(1, 1620858405), (3, 540286135), (5, 324171681), (15, 108057227), (31, 52285755), (79, 20517195), (93, 17428585), (155, 10457151), (237, 6839065), (395, 4103439), (465, 3485717), (1185, 1367813), (2449, 661845), (7347, 220615), (12245, 132369), (36735, 44123)]