664894911

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1733}}^1$

素因数の和:1935

約数の個数: 32

約数和(自身を含む): 958832640

約数和(自身を除く): 293937729

約数列:

[1, 3, 19, 53, 57, 127, 159, 381, 1007, 1733, 2413, 3021, 5199, 6731, 7239, 20193, 32927, 91849, 98781, 127889, 220091, 275547, 383667, 660273, 1745131, 4181729, 5235393, 11664823, 12545187, 34994469, 221631637, 664894911]

約数ペア:

[(1, 664894911), (3, 221631637), (19, 34994469), (53, 12545187), (57, 11664823), (127, 5235393), (159, 4181729), (381, 1745131), (1007, 660273), (1733, 383667), (2413, 275547), (3021, 220091), (5199, 127889), (6731, 98781), (7239, 91849), (20193, 32927)]