1317309

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 2025600

約数和(自身を除く): 708291

約数列:

[1, 3, 7, 21, 149, 421, 447, 1043, 1263, 2947, 3129, 8841, 62729, 188187, 439103, 1317309]

約数ペア:

[(1, 1317309), (3, 439103), (7, 188187), (21, 62729), (149, 8841), (421, 3129), (447, 2947), (1043, 1263)]