1220313

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 1740800

約数和(自身を除く): 520487

約数列:

[1, 3, 19, 57, 79, 237, 271, 813, 1501, 4503, 5149, 15447, 21409, 64227, 406771, 1220313]

約数ペア:

[(1, 1220313), (3, 406771), (19, 64227), (57, 21409), (79, 15447), (237, 5149), (271, 4503), (813, 1501)]