1640745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 3031236

約数和(自身を除く): 1390491

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 101, 171, 285, 303, 361, 505, 855, 909, 1083, 1515, 1805, 1919, 3249, 4545, 5415, 5757, 9595, 16245, 17271, 28785, 36461, 86355, 109383, 182305, 328149, 546915, 1640745]

約数ペア:

[(1, 1640745), (3, 546915), (5, 328149), (9, 182305), (15, 109383), (19, 86355), (45, 36461), (57, 28785), (95, 17271), (101, 16245), (171, 9595), (285, 5757), (303, 5415), (361, 4545), (505, 3249), (855, 1919), (909, 1805), (1083, 1515)]