51311115

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{60013}}^1$

素因数の和:60043

約数の個数: 24

約数和(自身を含む): 93621840

約数和(自身を除く): 42310725

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 60013, 180039, 300065, 540117, 900195, 1140247, 2700585, 3420741, 5701235, 10262223, 17103705, 51311115]

約数ペア:

[(1, 51311115), (3, 17103705), (5, 10262223), (9, 5701235), (15, 3420741), (19, 2700585), (45, 1140247), (57, 900195), (95, 540117), (171, 300065), (285, 180039), (855, 60013)]