398275215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{55201}}^1$

素因数の和:55259

約数の個数: 32

約数和(自身を含む): 704819136

約数和(自身を除く): 306543921

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 55201, 165603, 276005, 717613, 828015, 2042437, 2152839, 3588065, 6127311, 10212185, 10764195, 26551681, 30636555, 79655043, 132758405, 398275215]

約数ペア:

[(1, 398275215), (3, 132758405), (5, 79655043), (13, 30636555), (15, 26551681), (37, 10764195), (39, 10212185), (65, 6127311), (111, 3588065), (185, 2152839), (195, 2042437), (481, 828015), (555, 717613), (1443, 276005), (2405, 165603), (7215, 55201)]