16431921

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 26557440

約数和(自身を除く): 10125519

約数列:

[1, 3, 9, 11, 33, 79, 99, 121, 191, 237, 363, 573, 711, 869, 1089, 1719, 2101, 2607, 6303, 7821, 9559, 15089, 18909, 23111, 28677, 45267, 69333, 86031, 135801, 165979, 207999, 497937, 1493811, 1825769, 5477307, 16431921]

約数ペア:

[(1, 16431921), (3, 5477307), (9, 1825769), (11, 1493811), (33, 497937), (79, 207999), (99, 165979), (121, 135801), (191, 86031), (237, 69333), (363, 45267), (573, 28677), (711, 23111), (869, 18909), (1089, 15089), (1719, 9559), (2101, 7821), (2607, 6303)]