390075645

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{1601}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 642850560

約数和(自身を除く): 252774915

約数列:

[1, 3, 5, 15, 37, 111, 185, 439, 555, 1317, 1601, 2195, 4803, 6585, 8005, 16243, 24015, 48729, 59237, 81215, 177711, 243645, 296185, 702839, 888555, 2108517, 3514195, 10542585, 26005043, 78015129, 130025215, 390075645]

約数ペア:

[(1, 390075645), (3, 130025215), (5, 78015129), (15, 26005043), (37, 10542585), (111, 3514195), (185, 2108517), (439, 888555), (555, 702839), (1317, 296185), (1601, 243645), (2195, 177711), (4803, 81215), (6585, 59237), (8005, 48729), (16243, 24015)]