13537215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 25159680

約数和(自身を除く): 11622465

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 223, 285, 355, 639, 669, 855, 1065, 1115, 1349, 2007, 3195, 3345, 4047, 4237, 6745, 10035, 12141, 12711, 15833, 20235, 21185, 38133, 47499, 60705, 63555, 79165, 142497, 190665, 237495, 300827, 712485, 902481, 1504135, 2707443, 4512405, 13537215]

約数ペア:

[(1, 13537215), (3, 4512405), (5, 2707443), (9, 1504135), (15, 902481), (19, 712485), (45, 300827), (57, 237495), (71, 190665), (95, 142497), (171, 79165), (213, 63555), (223, 60705), (285, 47499), (355, 38133), (639, 21185), (669, 20235), (855, 15833), (1065, 12711), (1115, 12141), (1349, 10035), (2007, 6745), (3195, 4237), (3345, 4047)]