137260221

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{12791}}^1$

素因数の和:12881

約数の個数: 24

約数和(自身を含む): 215826624

約数和(自身を除く): 78566403

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 3577, 10731, 12791, 38373, 89537, 268611, 626759, 933743, 1880277, 2801229, 6536201, 19608603, 45753407, 137260221]

約数ペア:

[(1, 137260221), (3, 45753407), (7, 19608603), (21, 6536201), (49, 2801229), (73, 1880277), (147, 933743), (219, 626759), (511, 268611), (1533, 89537), (3577, 38373), (10731, 12791)]