1315845

素因数分解:

$3^6\times 5^1\times {\mathrm{19}}^2$

素因数の和:61

約数の個数: 42

約数和(自身を含む): 2498598

約数和(自身を除く): 1182753

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 361, 405, 513, 729, 855, 1083, 1215, 1539, 1805, 2565, 3249, 3645, 4617, 5415, 7695, 9747, 13851, 16245, 23085, 29241, 48735, 69255, 87723, 146205, 263169, 438615, 1315845]

約数ペア:

[(1, 1315845), (3, 438615), (5, 263169), (9, 146205), (15, 87723), (19, 69255), (27, 48735), (45, 29241), (57, 23085), (81, 16245), (95, 13851), (135, 9747), (171, 7695), (243, 5415), (285, 4617), (361, 3645), (405, 3249), (513, 2565), (729, 1805), (855, 1539), (1083, 1215)]